In how much time (in seconds) should a charge of $10 C$ flow through a point in the conductor so as to maintain a constant current of $100 A$ ?

1/10 s

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10 s

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110 s

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1/110 s

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Solution

The correct option is A
1/10 s

Current is defined as the rate of flow of charge. If a charge $q$ flows through a point in the conductor in time $t$ then, current through the conductor is $I = \frac{q}{t} .$

Given $q = 10 C, I = 100 A$

So time, $t = \frac{q}{I} = \frac{10}{100} = \frac{1}{10} = 0.1 s$

So the required time is $0.1 s$ .

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In how much time (in seconds) should a charge of 10 C flow through a point in the conductor so as to maintain a constant current of 100 A?

The correct option is A 1/10 s Current is defined as the rate of flow of charge. If a charge q flows through a point in the conductor in time t then, current through the conductor isI = qt. Given q = 10 C, I = 100 A So time, t=qI=10100=110=0.1 s So the required time is 0.1 s.

In how much time (in seconds) should a charge of $10 C$ flow through a point in the conductor so as to maintain a constant current of $100 A$ ?