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100 watts running for 10 hours gives how many watt hours?
A1300
B1000
C1100
D1200
Answer & Solution
Correct answer: B. 1000
1. Energy is power multiplied by time.
2. 100 times 10 gives 1000 watt hours.
3. So the correct answer is 1000.
_Source: syllabus Physics Part I, Ch 6 'Work, Energy and Power'_
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