Water of volume 2 L in a container is heated with a coil of 1 kW at 
. The lid of the container is open and energy dissipates at rate of 
. How much time it would temperature to rise from 
to 
? [Given: specific heat of water is 
]
A
8 min 20 s
B
C
7 min
D
14 min
Text Solution
Verified by ExpertsThe correct answer is:
A
Heat gained by the water 
Heat supplied by the Coil 
- (Heat dissipated to environment)
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