Question

72.
65. An electric kettle of 2000W contains
1 kg of water at 20°C. Calculate the time
required to heat water to its boiling point.
The water equivalent of kettle is 0.5 kg
and J = 4.2 joules/cal.
(ii) 4.2 sec
(iii) 2.1 min
(iv) 2.1 sec
Mo = RX
(0) 4.2 min​

Answer 1

Answer:

Rimzimfeb/customer /care number 6289981954//6289981954

Explanation:

Rimzimfeb/customer /care number 6289981954//6289981954