an electric bulb consumes 7.2 kilojoules of electrical energy in 2 mins what is the power of the electrical bulb
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As we know Power =total work /taken time
in this question ,W=7.2kj=(7.2×1000)j=7200j
t=2mins=120s
p=7200/120=60watt
in this question ,W=7.2kj=(7.2×1000)j=7200j
t=2mins=120s
p=7200/120=60watt
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