WJEC P2, V, I and R Facts

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  • Created by: tommytom
  • Created on: 04-05-16 18:40
What is current?
Flow of free electrons
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How is current measured?
Using an Ammeter
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How is an Ammeter connected?
In series
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What is voltage
A measure of how much electrical energy a certain amount of electrons transfer in circuit flow
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How is voltage measured?
Using a Voltmeter connected in parallel
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What is resistance?
A measure of how difficult it is for current to flow.
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What is resistance due to?
Collision between the free electrons and the atoms/ions in the metal.
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Other cards in this set

Card 2

Front

How is current measured?

Back

Using an Ammeter

Card 3

Front

How is an Ammeter connected?

Back

Preview of the front of card 3

Card 4

Front

What is voltage

Back

Preview of the front of card 4

Card 5

Front

How is voltage measured?

Back

Preview of the front of card 5
View more cards

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