20 A current flows for 30 seconds in a wire, transfer of charge w… - Vidyadip

MCQ

$20 \mu \mathrm{A}$ current flows for 30 seconds in a wire, transfer of charge will be

A
$2 \times 10^{-4} \mathrm{C}$
B
$4 \times 10^{-4} \mathrm{C}$
✓
$6 \times 10^{-4} \mathrm{C}$
D
$8 \times 10^{-4} \mathrm{C}$

✓

Answer

Correct option: C.

$6 \times 10^{-4} \mathrm{C}$

(c) $Q=i t=20 \times 10 \times 30=6 \times 10^{-4} \cdot C$

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