series circuits - steam clown · lab #3 series circuit + | r1 r2 r 1 = 330Ω, r 2 = 330Ω r 1 =...
TRANSCRIPT
![Page 1: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/1.jpg)
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Series Circuits
![Page 2: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/2.jpg)
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Series & Parallel Circuits
PARALLEL CIRCUIT
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SERIES CIRCUIT
![Page 3: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/3.jpg)
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Trick to Remember Ohm’s Law
V
I R IVR
=
V=I*RR
VI
=V
I R
V
I R
V
R
![Page 4: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/4.jpg)
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Series Circuit
• Closed Circuit
• Single Path from+V to GND
SERIES CIRCUIT
+ -
![Page 5: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/5.jpg)
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Series Circuits
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?Yes
![Page 6: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/6.jpg)
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Series Circuit
• Is the same current is flowing in both resistors?
SERIES CIRCUIT
Cu
rren
t
Yes, there is only one path for the current and it is the same at all points ion the circuit
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![Page 7: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/7.jpg)
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Series Circuits
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![Page 8: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/8.jpg)
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Lab Time…
![Page 9: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/9.jpg)
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Go Get the following
• Power Supply the smaller ones are better
• Power to Breadboard Adaptor
• Breadboard
• About 6 wire
• 1 plastic cup
• Resistors:•One 10Ω resistor• Three 330Ω resistors•One 680Ω resistor• Two 1KΩ resistors•One 2KΩ resistor
![Page 10: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/10.jpg)
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•Open your log books
•On the next available Page• Note the Date• Draw a table (“for a fixed 5 volt power supply”)
Log some data
Measured Resistance
Measured Voltage
Measured Current
R1 + R2 (measure together) X
R1 X
R2 X
I (for circuit) X X
![Page 11: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/11.jpg)
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Series Circuit
SERIES CIRCUIT
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330Ω
330Ω
![Page 12: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/12.jpg)
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How do we measure the total resistance in our series circuit?
What about individual resisters?
Lab Question?
![Page 13: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/13.jpg)
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Series Circuit Resistance
Measure Combined Resistance
330Ω
330Ω
![Page 14: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/14.jpg)
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Series Circuit Resistance
Measure Individual Resistance
330Ω
330Ω
![Page 15: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/15.jpg)
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Series Circuit Resistance
Measure Individual Resistance
330Ω
330Ω
![Page 16: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/16.jpg)
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How do we measure the total Voltage in our series circuit?
What about the voltage across the individual resisters?
Lab Question?
![Page 17: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/17.jpg)
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Series Circuit Voltage
Measure Combined Voltage
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330Ω
330Ω
![Page 18: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/18.jpg)
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Series Circuit Voltage
Measure Individual Voltage
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330Ω
330Ω
![Page 19: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/19.jpg)
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Series Circuit Voltage
Measure Individual Voltage
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330Ω
330Ω
![Page 20: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/20.jpg)
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How do we measure the total Current in our series circuit?
What about the voltage through the individual resisters?
Lab Question?
![Page 21: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/21.jpg)
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Series Circuit Current
Measure Combined Voltage
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330Ω
330Ω
![Page 22: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/22.jpg)
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Lab #1 Series Circuit
SERIES CIRCUIT
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330Ω
330Ω
Create table and make the measurements
330Ω
330Ω
![Page 23: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/23.jpg)
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•Open your log books
•On the next available Page• Note the Date• Draw a table (“for a fixed 5 volt power supply”)
Log some data
Measured Resistance
Measured Voltage
Measured Current
R1 + R2 (measure together) X
R1 X
R2 X
I (for circuit) X X
![Page 24: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/24.jpg)
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STEAM Clown™ Production
Math behind the measurements
![Page 25: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/25.jpg)
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Series Circuits
440Ω
220Ω
220Ω ?Yes
![Page 26: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/26.jpg)
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Calculating Series Resistance
440Ω
220Ω
220ΩRt = R1 + R2 + R3 + etc.
To find the total resistance of a series circuit, just add the values of the individual resistors together
![Page 27: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/27.jpg)
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Series Circuit Resistance
R1 = 330Ω, R2 = 330Ω Rt = _____
R1 = 330Ω, R2 = 680Ω Rt = _____
R1 = 1KΩ, R2 = 2KΩ Rt = _____
R1 = 680Ω, R2 = 1KΩ Rt = _____
Calculate Rt
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R1
R2
Rt = R1 + R2 + R3 + etc.
![Page 28: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/28.jpg)
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Lab #2 Series Circuit
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R1
R2
R1 = 330Ω, R2 = 680Ω
R1 = 1KΩ, R2 = 2KΩ
R1 = 680Ω, R2 = 1KΩ
Create 3 more tables like lab #1, and make the same measurements
![Page 29: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/29.jpg)
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STEAM Clown™ Production
Math behind the measurements
![Page 30: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/30.jpg)
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Can we Calculate the Voltage on a resistor in a series circuit?
• How does the “battery” “see” the combination of the 2 resistors?
• How do the Resistors “see” the “battery”?
• Nether Resistor is connected directly across the “battery”
• How much voltage is applied to each Resistor?
+
-
Series Resistors share or Divide the applied voltage
![Page 31: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/31.jpg)
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Voltage Division with Resistors
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
) Where:
Rt = Total Resistance of series string
Rx = Resistor for which we are
calculating the voltage drop
V = Applied voltage
Vx = Voltage drop across Rx
![Page 32: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/32.jpg)
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Lets do some calculations
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
+|
R1
R2
R1 = 330Ω, R2 = 680Ω , V = 5v
𝑅𝑡 = 1.01KΩ
𝑉𝑥 = 5(330Ω
1.01𝐾Ω)
𝑉𝑥 = 1.63𝑉
𝑅𝑥 = 330Ω
![Page 33: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/33.jpg)
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Lets do some calculations
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
+|
R1
R2
R1 = 330Ω, R2 = 680Ω , V = 5v
𝑅𝑡 = 1.01KΩ
𝑉𝑥 = 5(680Ω
1.01𝐾Ω)
𝑉𝑥 = 3.37𝑉
𝑅𝑥 = 680Ω
![Page 34: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/34.jpg)
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Lab #3 Series Circuit
+|
R1
R2
R1 = 330Ω, R2 = 330Ω
R1 = 330Ω, R2 = 680Ω
R1 = 1KΩ, R2 = 2KΩ
R1 = 680Ω, R2 = 1KΩ
5 v
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)Using the data from your 4 tables, calculate the voltage over R1 and R2. Verify that your measurements are correct.
![Page 35: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/35.jpg)
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Variable Resistors
• Resistor that has the ability to change resistance manually
• Resistor that have it’s resistance change do to environmental effects
Potentiometer
Photoresistor
![Page 36: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/36.jpg)
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Series Circuit Voltage
Measure Variable Voltage
+|
? Ω
1KΩ
![Page 37: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/37.jpg)
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Series Circuit Voltage
Measure Variable Voltage
+|
? Ω
![Page 38: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/38.jpg)
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Series Circuit Voltage
Measure Variable Voltage? Ω
![Page 39: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/39.jpg)
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Variable Resistor Lab
• Turn the Potentiometer to have equal resistance on both sides • ie: for a 10KΩ Potentiometer
each segment should be about 5KΩ
• Measure:• The resistance of each side, • then connect power, and
measure the voltage
![Page 40: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/40.jpg)
Page 41 © Copyright 2017 STEAM Clown™
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Series Circuit Voltage
Measure Variable Voltage
+|
? Ω
1KΩ
![Page 41: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/41.jpg)
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Math behind the measurements
![Page 42: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/42.jpg)
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How Do you find the Resistance given a known voltage Divider?
• We know that you can find Vx When you know Rx
• How do we manipulate to solve for Rx? 𝑉𝑥 = 𝑉(
𝑅𝑥
𝑅𝑡
)
![Page 43: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/43.jpg)
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manipulate to solve for Rx
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
![Page 44: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/44.jpg)
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manipulate to solve for Rx
𝑅𝑡 ∗ 𝑉𝑥 = 𝑉𝑅𝑥
𝑅𝑡
∗ 𝑅𝑡
![Page 45: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/45.jpg)
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manipulate to solve for Rx
𝑅𝑡 ∗ 𝑉𝑥 = 𝑉(𝑅𝑥)
𝑅𝑡 ∗ 𝑉𝑥 = 𝑉𝑅𝑥
![Page 46: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/46.jpg)
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𝑅𝑡 ∗ 𝑉𝑥
𝑉=𝑉𝑅𝑥
𝑉
manipulate to solve for Rx
![Page 47: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/47.jpg)
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𝑅𝑡 ∗ 𝑉𝑥
𝑉= 𝑅𝑥
manipulate to solve for Rx
![Page 48: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/48.jpg)
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𝑅𝑥 =𝑅𝑡 ∗ 𝑉𝑥
𝑉
manipulate to solve for Rx
![Page 49: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/49.jpg)
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manipulate to solve for Rx
𝑅𝑥 =𝑅𝑡 ∗ 𝑉𝑥
𝑉
![Page 50: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/50.jpg)
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Lets do some calculations
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
+|
R1
R2
R1 = 5.24KΩ, R2 = 10KΩ , V = 5v
𝑅𝑡 = 15.24KΩ
𝑉𝑥 = 5(5.24KΩ
15.24𝐾Ω)
𝑉𝑥 = 1.719𝑉
𝑅𝑥 = 5.24KΩ
![Page 51: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/51.jpg)
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Lets do some calculations
+|
Rp
R2
R1 = ? Ω, R2 = 10KΩ , V = 5v
𝑅𝑡 = 15.24KΩ
𝑅𝑥 = 5.24KΩ
𝑉𝑥 = 1.719V
𝑅𝑥 =𝑅𝑡 ∗ 𝑉𝑥
𝑉
𝑅𝑥 =15.24KΩ ∗ 1.719V
5𝑅𝑥 =
𝑅𝑡 ∗ 𝑉𝑥
𝑉
![Page 52: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/52.jpg)
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•Build the circuit with the variable Rp and fixed R2
• Turn the Potentiometer and measure the Voltage
•Using this formula calculate Rp
Variable Resistor Lab
𝑅𝑥 =𝑅𝑡 ∗ 𝑉𝑥
𝑉+
|
Rp
R2
![Page 53: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/53.jpg)
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•Build the circuit with the variable Rp and fixed R2
• Turn the Potentiometer and measure the Voltage
•Using this formula calculate Rp
Variable Resistor Lab
𝑅𝑥 =𝑅𝑡 ∗ 𝑉𝑥
𝑉+
|
Rp
R2
![Page 54: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/54.jpg)
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Series Circuit Voltage
See What Effect Variable Resistance Has On the
LED brightness?
+|
150Ω
+
![Page 55: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/55.jpg)
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Series Circuit Voltage
See What Effect Light Has On the LED brightness?
+|
Optional… Why?
+
![Page 56: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/56.jpg)
Page 57 © Copyright 2017 STEAM Clown™
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Variable Resistor Lab
• Turn the Potentiometer to have equal resistance on both sides • ie: for a 10KΩ Potentiometer
each segment should be about 5KΩ
• Measure:• The resistance of each side, • then connect power, and
measure the voltage
![Page 57: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/57.jpg)
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STEAM Clown™ Production
Reference
![Page 58: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/58.jpg)
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Lab #2 Series Circuit
+|
R1
R2
R1 = 330Ω, R2 = 680Ω
R1 = 1KΩ, R2 = 2KΩ
R1 = 680Ω, R2 = 1KΩ
![Page 59: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/59.jpg)
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Series Circuit Resistance
R1 = 330Ω, R2 = 330Ω Rt = _____
R1 = 330Ω, R2 = 680Ω Rt = _____
R1 = 1KΩ, R2 = 2KΩ Rt = _____
R1 = 680Ω, R2 = 1KΩ Rt = _____
Calculate Rt
+|
R1
R2
Rt = R1 + R2 + R3 + etc.
![Page 60: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/60.jpg)
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• Objectives• Demonstrate knowledge of Ohms Law• Demonstrate proper use of a Digital Multi Meter• Demonstrate knowledge of Series Circuits fundamentals• Apply the Voltage divider principles
• Equipment needed• 5 volt DC power supply and bread board adaptor• DMM• Bread board• Assorted resistors and wires
Work Sheet – Lab / Quiz
![Page 61: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/61.jpg)
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Lets do some calculations
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
𝑉𝑥 = 𝑉(𝑅𝑥
𝑅𝑡
)
+|
R1
R2
R1 = 330Ω, R2 = 680Ω , V = 5v
𝑅𝑡 = ?
𝑅𝑡 = 1010Ω 𝑅𝑡 = 1.01KΩ
𝑅𝑡 = 330Ω + 680Ω
![Page 62: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/62.jpg)
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Series Circuit Resistance
R1 = 330Ω, R2 = 330Ω Rt = _____
R1 = 330Ω, R2 = 680Ω Rt = _____
R1 = 1KΩ, R2 = 2KΩ Rt = _____
R1 = 6800Ω, R2 = 1KΩ Rt = _____
Calculate Rt
+|
R1
R2
Rt = R1 + R2 + R3 + etc.
![Page 63: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/63.jpg)
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Series Circuit
SERIES CIRCUIT
+|
![Page 64: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/64.jpg)
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This is how we measure volts in a circuit
SERIES CIRCUIT
measuring voltage
• Set the DMM to Ω (to measure Resistance)
• Set it to the closest value above the target resistor you are measuring
Black lead
Red lead
+ -
![Page 65: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/65.jpg)
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This is how we measure Amps in a circuit
SERIES CIRCUIT
measuring Current
• Set the DMM to Amps (to measure Current)
• Set it to the closest value above the target current you expect to measure
Black lead
Red lead
+ -
Break the circuit, so the current flows into and out of the DMM
![Page 66: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/66.jpg)
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Electronic symbols
+
![Page 67: Series Circuits - STEAM Clown · Lab #3 Series Circuit + | R1 R2 R 1 = 330Ω, R 2 = 330Ω R 1 = 330Ω, R 2 = 680Ω R 1 = 1KΩ, R 2 = 2KΩ R 1 = 680Ω, R 2 = 1KΩ 5 v 𝑉𝑥=𝑉(𝑅𝑥](https://reader036.vdocuments.us/reader036/viewer/2022071007/5fc4424feeb215620936f63a/html5/thumbnails/67.jpg)
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• 30 years of electronics in my head…
• Electronic Projects for Photographers
• https://www.youtube.com/watch?v=Hck8k6ALBV8
• https://www.youtube.com/watch?v=2d8CUQokims
• https://adamcap.com/schoolwork/series-and-parallel-circuits-lab/add some of the hypothesis and Questions to the labs
• http://www.thephysicsaviary.com/Physics/Programs/Labs/SeriesCircuitLab/index.html <-- maybe add a lab to prove current is the same…
• http://www.freeclassnotesonline.com/Series-Circuits-Lab.php <--good lab work sheet… add to presentation
Sources