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Calculate the time required to heat 20kg...

Calculate the time required to heat `20kg` of water from `10^(@)C to 35^(@)C ` using an immersion heater `1000W` Assume that `80%` of the power input is used to heat the water. Specific heat capacity of water `= 4200J kg^(-1)K^(-1)`

A

40 min

B

44 min

C

36 min

D

48 min

Text Solution

Verified by Experts

The correct Answer is:
B
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