2
Question
How much energy does a 100 W electric bulb transfer in 1 minute ?
(a) 100 J
(b) 600 J
(c) 3600 J
(d) 6000 J
How much energy does a 100 W electric bulb transfer in 1 minute ?
(a) 100 J
(b) 600 J
(c) 3600 J
(d) 6000 J
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Solution
(d) 6000 J
Given, Power, P = 100 W
Time, t = 1 minute = 60 s
Electrical energy consumed = P X t = 100 X 60 = 6000 J
(d) 6000 J
Given, Power, P = 100 W
Time, t = 1 minute = 60 s
Electrical energy consumed = P X t = 100 X 60 = 6000 J
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