Transfer of heat - class-XI

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Question 1 of 92

A geyser heats water flowing at the rate of 4 litre per minutes from 30 C to 85 C. If the geyser operates on gas burner then the amount of heat used per minute is :

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$9.24\times { 10 }^{ 5 }$J

$6.24\times { 10 }^{ 7 }$J

$9.24\times { 10 }^{ 7 }$J

$6.24\times { 10 }^{ 5 }$J

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