5.3 electric potential work is done in charging the metal dome? why? the van de graaff generator
TRANSCRIPT
![Page 1: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/1.jpg)
5.3 Electric Potential
Work is done in charging the metal dome?
Why?
The van de Graaff generator
![Page 2: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/2.jpg)
5.3 Electric Potential
Work is done in charging the metal dome?
Why?
‘like’ chargesare being
moved closer to each other
The van de Graaff generator
![Page 3: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/3.jpg)
5.3 Electric Potential
Work is done in charging the metal dome?
Why?
‘like’ chargesare being
moved closer to each other
The van de Graaff generator
The electric potential of the dome is increasing
![Page 4: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/4.jpg)
5.3 Electric Potential
The electric potential V at a point P in an electric field is defined as:
‘the work done per unit positive charge on a positive small test charge when it is moved from infinity to that point’
++
+P
oor
![Page 5: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/5.jpg)
5.3 Electric Potential
The electric potential V at a point P in an electric field is defined as:
‘the work done per unit positive charge on a positive small test charge when it is moved from infinity to that point’
++
+P
oor
Unit: V or JC-1
Zero Potentialenergy at oo
work done = electric potential energy gained
![Page 6: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/6.jpg)
5.3 Electric Potential
The electric potential V at a point P in an electric field is defined as:
‘the work done per unit positive charge on a positive small test charge when it is moved from infinity to that point’
++
+P
oor
Unit: V or JC-1
Zero Potentialenergy at oo
work done = electric potential energy gained
![Page 7: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/7.jpg)
The electric potential at point P: Vp = Ep
Q
So electric potential energy Ep = Vp Q
++
+P
oor
Zero Potentialenergy at oo
+ 1ųC
1000V Electric Potential
![Page 8: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/8.jpg)
The electric potential at point P: Vp = Ep
Q
So electric potential energy Ep = Vp Q
++
+P
oor
Zero Potentialenergy at oo
+ 1ųC
1000V Electric Potential
electric potential energy Ep = Vp Q
Ep = 1000 Ep = 1mJ
x 1ųC
of a test charge movingfrom infinity to where the potential is 1000V
1ųC
( work done in moving this charge from infinity
to point P)
![Page 9: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/9.jpg)
The electric potential at point P: Vp = Ep
Q
So electric potential energy Ep = Vp Q
++
+P
oor
Zero Potentialenergy at oo
+ 1ųC
1000V Electric Potential
electric potential energy Ep = Vp Q
Ep = 1000 Ep = 1mJ
x 1ųC
of a test charge movingfrom infinity to where the potential is 1000V
1ųC
( work done in moving this charge from infinity
to point P)
If the test charge is moved in a field from where the potential is V1
to a position where the potential is V2
then the work done:ΔW = Q ( V2 -V1)
![Page 10: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/10.jpg)
Equipotentials: are lines joining points of constant potential.They cross field lines at 90o.
Electricpotential Energy: Ep = Q Vp
then the work done: ΔW = Q ( V2 -V1) = (400 - 1000) = x - 600 = - 1.2 x 10-3 J
+ 2ųC + 2ųC
![Page 11: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/11.jpg)
Equipotentials: are lines joining points of constant potential.They cross field lines at 90o.
Electricpotential Energy: Ep = Q Vp
![Page 12: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/12.jpg)
E = - Δ V Δ X
Potential relative to the negative plate
Distance X
Distance X
![Page 13: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/13.jpg)
E = - Δ V Δ X
Potential relative to the negative plate
Distance X
Distance X
![Page 14: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/14.jpg)
E = - Δ V Δ X
Potential relative to the negative plate
Distance X
Distance X
![Page 15: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/15.jpg)
E = - Δ V Δ X
Potential relative to the negative plate
Distance X
Distance X
![Page 16: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/16.jpg)
E = - Δ V Δ X
Potential relative to the negative plate
Distance X
Distance X
![Page 17: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/17.jpg)
![Page 18: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/18.jpg)
![Page 19: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/19.jpg)
![Page 20: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/20.jpg)
![Page 21: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/21.jpg)
![Page 22: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/22.jpg)
![Page 23: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/23.jpg)
![Page 24: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/24.jpg)
![Page 25: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/25.jpg)
![Page 26: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/26.jpg)
![Page 27: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/27.jpg)
![Page 28: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/28.jpg)
![Page 29: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/29.jpg)
![Page 30: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/30.jpg)
![Page 31: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/31.jpg)
![Page 32: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/32.jpg)
![Page 33: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/33.jpg)
![Page 34: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/34.jpg)
![Page 35: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/35.jpg)
![Page 36: 5.3 Electric Potential Work is done in charging the metal dome? Why? The van de Graaff generator](https://reader035.vdocuments.us/reader035/viewer/2022070409/56649e965503460f94b99f9f/html5/thumbnails/36.jpg)