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Calculate the time taken, in minutes, to heat 2.0 kg of water from 30 ºC to 100...


Question

Calculate the time taken, in minutes, to heat 2.0 kg of water from 30 ºC to 100 ºC in an electric kettle that draws a current of 3.0 A from 240 V supply. (Specific heat capacity is 4.2 x 103 J/kg) neglect heat losses to the surrounding.

Options

A)
0.2
B)
1.9
C)
3.6
D)
21.2

The correct answer is C.


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