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QAIPMT-2010-Ph-2072: NEET 2010 Physics - Class 12 AIPMT-2010-Ph-2072 Solution: An engine pumps water through a hose pipe. Water passes through …

An engine pumps water through a hose pipe. Water passes through the pipe and leaves it with a velocity of 2 m/s. The mass per unit length of water in the pipe is 100 kg/m. What is the power of the engine? 400 W 200 W 100 W 800 W

Multiple Choice Options

A 900 $\Omega$ �
B 1800 $\Omega$ �
C 500 $\Omega$ �
D 1000 $\Omega$ �

Step-by-Step Verified Solution

Let the resistance to be added be R, then 30 = I g (r + R) _ R = 30 I g _ r = 30 30 _ 10 _ 3 _ 100 = 1000 - 100 = 900 �

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