Physics G482

What is a conventional current?
The Direction of current in a circuit is from the positive terminal to the negative terminal of the cell
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what is Electric current?
the rate of flow of charge
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what is the formula for charge?
Current = charge flow/time
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what does the area under a current against time graph represent?
the sum of the currents entering a point in a circuit is equal to the sum of the currents leaving the same point
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what it the formula for magnitude of a current in a material?
Current = cross sectional area x number of electrons x charge of an electron x mean drift velocity
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Card 2

Front

what is Electric current?

Back

the rate of flow of charge

Card 3

Front

what is the formula for charge?

Back

Preview of the front of card 3

Card 4

Front

what does the area under a current against time graph represent?

Back

Preview of the front of card 4

Card 5

Front

what it the formula for magnitude of a current in a material?

Back

Preview of the front of card 5

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leecy555

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What's the answer to question 4?

leecy555

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What's the answer to question 4?

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