A filament lamp draws a current of 0.30 A when the potential difference across it is 4.0 V

PHYSICS · Subjective · CBSE · Physics · Electricity · Electricity

Problem

A filament lamp draws a current of 0.30 A when the potential difference across it is 4.0 V. Calculate the electrical power developed in the lamp at this operating point.

Related theory

Electric Power
Electrical power and energy
Electricity
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Electric current
Electrical energy and power
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