CGPET 2016 Solved Paper

Section: Physics

Question : 47 of 150

Marks: +1, -0

Amount of heat produced per second in calories when a bulb of 50W,200V glows (assuming that only 20% of the electric energy is converted into light) (J=4.2J∕cal)

40‌cal∕ s
28‌cal∕ s
18.22‌cal∕ s
9.52‌cal∕ s

Validate

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