Chapter 7 Work, Energy, and Simple Machines - Part 2

How much energy is consumed by a 100 W lamp operated for 10 hours?

Type: MCQ • Marks: 1
How much energy is consumed by a 100 W lamp operated for 10 hours?
Options
A. 100 Wh
B. 10 kWh
C. 1 Wh
D. 1000 Wh (1 kWh)
Explanation
Energy = Power × time = 100 W × 10 h = 1000 Wh = 1 kWh.
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Class 9th Science (MCQ)

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