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Longest Chain Rule

Calculate the...

Question

Calculate the amount of heat produced per second in calories,when bulb of 100W , 220V glows assuming 20% of electric energy is converted into light.

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Solution

Dear Student

Power of bulb is 100 W.

20% Electrical energy is converted into light. t is 20 W.

Rest of energy is used to produce heat that is 80 W.

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