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Calculate the time required to heat 20 k...

Calculate the time required to heat 20 kg of water from `10^(@)C` to `35^(@)C` using an immersion heater rated 1000 W. Assume that `80%` of the power input is used to heat the water. Specific heat capacity of water`=4200 J//kg-k`

A

40 min

B

44 min

C

36 min

D

48 min

Text Solution

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The correct Answer is:
B
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