A pump is used to deliver water at a certain rate
from a given pipe. To obtain n times water from
the same pipe in the same time, by what factor,
the force of the motor should be increased?
(1) n times
(2) n² times
(3) n³times
(4)1/n times
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4
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the power increases method only 4 times in each pipe to give from water deliverd ..............
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The answer is option (4) 1/n times
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