Single Answer MCQ
Q-00019395
How much energy is consumed by a 100 W bulb in 5 hours?
1
500 J
2
180,000 J
3
360,000 J
4
2,000 J
Answer and Solution
Answer
C. 360,000 J
Solution:
Energy = Power × Time = 100 W × (5 × 3600 seconds) = 100 × 18,000 = 1,800,000 J or 360,000 J.
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