Find the electrical energy expended by an electric lamp labelled 100w in 8seconds <br />
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Answer:
Explanation:
When time taken is 1 second,
Power = Energy consumed/ Time taken
Energy consumed = 100 x 1 = 100 J
b) When time taken is 1 minute = 60 seconds,
Power = Energy consumed/ Time taken
Energy consumed = 100 x 60 = 6000 J = 6 kJ
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