What is the charge flowing through a wire if a current of $20 A$ flows for $0.5 s$ ?

10 C

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30 C

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20 C

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14 C

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Solution

The correct option is A $10 C$
Given;
Current, $I = 20 A$ and time, $t = 0.5 s$
Let the charge be $q$
We know, $I = \frac{q}{t}$
or $q = I \times t$
$q = 20 \times 0.5 = 10 C$

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