Water falling from a 60 m high is to be used for generating electric power. If 
of water falls per hour and half the gravitation potential energy can be converted into electric energy. How many 100 watt bulbs can be lit? ( 
)
Text Solution
Verified by ExpertsThe correct answer is:
A
Power generated = Energy/sec
According to question,
then number of 100 Watt bulb can be light is 
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