A torch bulb is rated at

PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity

Problem

A torch bulb is rated

3.0\,\text{W}

at

1.5\,\text{V}

. If the bulb glows for

2\,\text{minutes}

, calculate the approximate number of electrons that pass through its filament in this time. (Take charge of an electron

e = 1.6\times10^{-19}\,\text{C}

.)

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