Question on: SS1 Physics - Work, Energy, And Power
A light bulb has a power rating of 60 Watts. How much energy does it consume in 5 hours of operation?
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A
12 Joules
B
60 Joules
C
300 Joules
D
180,000 Joules
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Correct Option: D
Energy = Power x Time
Energy = 60 Watts x (5 hours x 60 mins x 60 secs)
Energy = 180,000 Joules
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