In how much time (in seconds) should a charge of 10 C flow between the tw

Question

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

Options:

A .

\frac{1}{10} s e c o n d s

B .

10 s e c o n d s

C .

110 s e c o n d s

D .

\frac{1}{110} s e c o n d s

Answer: Option A
:
A
Current

(I)

is the rate of flow of charge

(q)

through a cross section per unit time

(t)

I = \frac{q}{t}

Given:

q = 10 C

I = 100 A

t = \frac{q}{I}

t = \frac{10 C}{100 A}

t = \frac{1}{10} s

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