A pump motor is used to deliver water at a certain rate from a given pipe. To obtain twice as much water from the same pipe in same time, power of motor has to be increased |
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(a) |
times |
(b) |
4 times |
(c) |
(d) |

A pump motor is used to deliver water at a certain rate from a given pipe. To obtain twice as much water from the same pipe in same time, power of motor has to be increased |
|||||||

(a) |
times |
(b) |
4 times |
(c) |
(d) |

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