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A circular coil having an area of 3.14 × 10-2 m2 and 30 turns is rotated about its vertical diameter with an angular speed of 70 rad-1 in a uniform horizontal magnetic field of magnitude 5 × 10-2 T. If the coil forms a closed loop of resistance 15 Ω, what is the average power loss due to Joule heating?

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A circular coil having an area of 3.14 × 10<sup>-2</sup> m<sup>2</sup> and 30 turns is rotated about its vertical diameter with an angular speed of 70 rad<sup>-1</sup> in a uniform horizontal magnetic field of magnitude 5 × 10<sup>-2</sup> T. If the coil forms a closed loop of resistance 15 Ω, what is the average power loss due to Joule heating?






 
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