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Which uses more energy 250w TV set in 1 hour or a toster in 10 min

Posted by Srishti Gupta 6 years, 6 months ago

CBSE > Class 10 > Social Science

1 answers

Pragya Gupta 6 years, 6 months ago

You doesn't give the power of the toaster. But I think it is the question of ncert. For TV set : P = 250 W = 250/1000 kW = 0.25 kW t = 1 h So , E = P × t = 0.25 kW × 1 h = 0.25 kWh Similarly we can find the energy used by the toaster. ( 0.20 kWh ) On comparison we find that TV set uses more energy than toaster.

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