how much energy in joules and kwhr is consumed by 120 watt light bulb left for 15 minutes
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Answer:10800 Joules or 0.003 Kwh
Explanation: Energy=power X time
=120 watt X 900 seconds
=10800 Joule.
1 Kwh = 3.6 X 10^6 Joule
10800 J= 0.003 Kwh.
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