Download - Scientists in electricity
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Question No. 1:Coulomb’s
name is used as an SI unit of
what?
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Question No. 2:What is the equation for Coulomb’s
Law?
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Question No. 3:What material
did Benjamin Franklin held so he will not be electrocuted?
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What does letter “I”
represents in V=IR?
Question No. 4:
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Scientists in Electricity
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Charles CoulombBasic Info:Born: 14-Jun-1736Birthplace: Angoulême, FranceDied: 23-Aug-1806Location of death: Paris, FranceGender: MaleRace or Ethnicity: WhiteOccupation: PhysicistNationality: French
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Coulomb's law says the electrical force between two charges (q1) and (q2) is proportional to the
product of the two charges divided by the distance between
the two charges squared
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SI unit of charge is named after him.1 coulomb= 6.24 x
10^18 electrons
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What is the SI unit of charge?
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What is the relationship of electromotive force and the charge of the two charged bodies??
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Benjamin FranklinBasic Info:Born: January 17, 1706Died: April 17, 1790 Gender: MaleRace or Ethnicity: WhiteOccupation: PhysicistNationality: American
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“IS LIGHTNING A FORM OF STATIC ELECTRICITY?”
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Kite Flying Experiment
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• Invented the lightning rod.
• Charge is conserved.
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What do you call the jar that serve as a storage for the collected charge?
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Georg Simon OhmBasic Info:Born: March 16, 1789Died: 6 July 1854Gender: MaleOccupation: Physicist and mathematicianNationality: Bavarian (German)
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Determined the relationship between
current, resistance and voltage.
V=IR
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What is the equation for Ohm’s Law?
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What does V represents in V=IR?
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Alessandro VoltaBasic Info:Born: 18 February 1745Died: 5 March 1827Gender: MaleOccupation: Physicist and ChemistNationality: Italian
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Voltaic PileConsists of silver and zinc disc separated by cardboard.
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Named after him the unit of measurement for electric potential,
Volts.
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André-Marie AmpèreBasic Info:Born: 20 January 1775Died: 10 June 1836Gender: MaleOccupation: Physicist Nationality: French
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Measures the flow of charge per second or
current.
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What does Alessandro Volta invented?
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Voltaic pile is now known as?
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What is the unit for current?
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Evaluation
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1. Discovered the inverse square
relationship between electrical forces and distance of any two
objects.
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a. Coulomb’s Lawb. Charles Coulombc. Benjamin Franklind. George Ohme. Voltf. Ampereg. Ohm
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2. Proved that lightning is an
electrical phenomenon.
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a. Coulomb’s Lawb. Charles Coulombc. Benjamin Franklind. George Ohme. Voltf. Ampereg. Ohm
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3. The unit of measurement for electric potential
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a. Coulomb’s Lawb. Charles Coulombc. Benjamin Franklind. George Ohme. Voltf. Ampereg. Ohm
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4. Develops the relationship between
current through a resistor and the
potential difference across it.
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a. Coulomb’s Lawb. Charles Coulombc. Benjamin Franklind. George Ohme. Voltf. Ampereg. Ohm
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5. What does this equation
represents?F = k (q1q2) / d2
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a. Coulomb’s Lawb. Charles Coulombc. Benjamin Franklind. George Ohme. Voltf. Ampereg. Ohm
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ASSIGNMENT
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Bring the following by group
a. Rubber stick/ Plastic cover
b. glass stickc. silk cloth