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Question
WHAT DO WE mean when we say efficiency of a bulb is 10 percent?
WHAT DO WE mean when we say efficiency of a bulb is 10 percent?
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Solution
The portion of the heat energy converted into useful work, is called efficiency.
if we say efficiency of the bulb is 10% then it means only 10% of the total heat energy produced in converting into work done.
if we say efficiency of the bulb is 10% then it means only 10% of the total heat energy produced in converting into work done.
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