G485

A set of revision Q and A revision cards for the OCR A spec G485.

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In what direction do electric field lines go between two oppositely charged particles.
Positive to negative.
1 of 5
Define the electric field strength at a point in an electric field.
The amount of force per unit positive charge.
2 of 5
State Faraday's law of electromagnetic induction.
Induced emf is equal to the rate of change of magnetic flux linkage per unit time.
3 of 5
State Lenz's law of electromagnetic induction.
The direction of any induced current is opposite to the direction of the flux change that causes it.
4 of 5
Define the permittivity of free space.
The resistance encountered when creating an electric field.
5 of 5

Other cards in this set

Card 2

Front

Define the electric field strength at a point in an electric field.

Back

The amount of force per unit positive charge.

Card 3

Front

State Faraday's law of electromagnetic induction.

Back

Preview of the front of card 3

Card 4

Front

State Lenz's law of electromagnetic induction.

Back

Preview of the front of card 4

Card 5

Front

Define the permittivity of free space.

Back

Preview of the front of card 5

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