Questions
Let H1 be the heat generated per second in the filament of 100 W, 250 V lamp and H, be that in filament of 200 W, 250 V lamp. Which of the following is correct ?
detailed solution
Correct option is C
The resistance of 200 W lamp is half that of 100 W lamp. So, heat produced in 200 W lamp is twice that produced in 100 W lamp∴ 2H1=H2Talk to our academic expert!
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