Question

# A current of $0.5A$is drawn by a filament of an electric bulb for $10$ minutes. Find the amount of electric charge that flows through the circuit.

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Solution

## Step 1: Given data:-Electric current drawn by the filament, $i=0.5A$Time in which electric current is drawn by the filament, $T=10minutes$Amount of electric charge flowing through the circuit, $Q=?$Step 2: Formula used:-$i=\frac{Q}{T}$ ………………………..(a)Step 3: Calculation of the electric charge flowing through the circuit:-Converting the given time from minutes to seconds, we get$T=10×60S\phantom{\rule{0ex}{0ex}}T=600s$Substituting the given value of electric current and the value of time in seconds obtained above in equation (a), we get$0.5A=\frac{Q}{600s}$$Q=0.5×600$$Q=300C$Hence, the amount of electric charge flowing through the circuit is equal to $300C$

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