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प्रश्न
28000 J of energy is supplied by a diesel engine in 20 s. What will be the power of the engine?
विकल्प
1000 W
1400 W
1500 W
5600 W
MCQ
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उत्तर
1400 W
Explanation:
Power (P) = `"Energy"/"Time"`
= `28000/20`
= 1400 W
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