An electric lamp uses energy at a rat of 60W on a 12V supply. How much CHARGE passes through the lamp in 1 minutes ?
You can using this formula to solve this question : P=VI
Power is defined as the RATE OF ELECTRICAL ENERGY DISSIPATED .
Hence , Power = Energy Dissipated / Time = VIt / t
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P=VI I = 60/12 = 5A thus, the lamp has used 1 minutes so the charge is 5A X 60s = 300 c