If $120 J$ of work is done in $2$ minutes by a water pump, the power of the pump is:

14.4 K W

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240 W

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60 W

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1 W

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Solution

The correct option is C $1 W$
Given: Work done, $W = 120 J$
Time, $t = 2 m i n$
Power, $P = \frac{W}{t} = \frac{120}{2 \times 60} = 1 W$

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