An electric motor is used to fill an overhead tank of capacity 
kept at a height of 20 m above the ground. If the pump takes 6 minutes to fill the tank by consuming 20 kW power the efficiency of the pump should be ( 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
work done in raising water 
.
Power 
.
Efficiency 
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