The charge flowing in a conductor varies with time as $Q = a t - b t^{2}$ . Then, the current

True

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False

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Solution

The correct option is B False
$Q = a t - b t^{2}$

$I = \frac{d Q}{d t}$

$= \frac{d (a t - b t^{2})}{d t}$

$= a - 2 b t$

Current flow in the conductor

$I = Q - 2 b t$

current vary with time

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