Magnetic Flux & Faraday's Law
When a coil is placed in a time dependent magnetic field the power dissipated in it is . The number of turns, area of the coil and radius of the coil wire are and respectively. For a second coil number of turns, area of the coil and radius of the coil wire are and respectively. When the first coil is replaced with second coil the power dissipated in it is . The value of is ______.
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Answer: (a)
- ; wire length , so .
- .
- .
- . So the answer is (a) 36.