A) 210 s
B) 105 s
C) 420 s
D) 50 s
Correct Answer: A
Solution :
The heat required for producing 1 g of steam \[=540cal=540\times 4.2J=2268J\] Energy given by immersion heater is \[=1.08\,kW=1080W\] Now time taken in boiling 100 g of water \[=\frac{2268\times 100}{1080}=210\sec \]You need to login to perform this action.
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