1C is the amount of charge passing any point in a circuit when a current of 1A flows for 1s
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Potential difference
There is a p.d of 1V between two points in a circuit 1J of electrical energy is converted into other forms when 1C of charge passes between two points - V=W/Q
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Electromotive force
A battery or cell has an e.m.f of 1V when 1J of chemical energy is converted into electrical energy when 1C of charge passes through it - V=W/Q
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Ohm's law
The p.d across a conductor is directly proportional to the current flowing through it providing that the temperature of the conductor remains constant V=IR
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Resistance
The ratio of the potential difference across a conductor to the current flowing through it - R=V/I
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One ohm
There is a resistance of 1Ω between two points in a circuit if there is a p.d of 1V across them when the current is 1A
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Other cards in this set
Card 2
Front
1C is the amount of charge passing any point in a circuit when a current of 1A flows for 1s
Back
One Coulomb
Card 3
Front
There is a p.d of 1V between two points in a circuit 1J of electrical energy is converted into other forms when 1C of charge passes between two points - V=W/Q
Back
Card 4
Front
A battery or cell has an e.m.f of 1V when 1J of chemical energy is converted into electrical energy when 1C of charge passes through it - V=W/Q
Back
Card 5
Front
The p.d across a conductor is directly proportional to the current flowing through it providing that the temperature of the conductor remains constant V=IR
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