A charge of $300$ C is drawn by a filament of an electric bulb for $5$ minutes. Find the amount of electric current flowing through the circuit.

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Solution

A charge Q of $300 C$ is drawn by electric bulb for time $5$ minutes.
If a net charge $Q$ , flows across any cross-section of a conductor in time $t$ , then the current $i$ , through the cross-section is , $i = \frac{Q}{t} = \frac{300}{5 \times 60} = 1 A$

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