Physics, asked by CuteRex, 2 months ago

An iron rod 4cm in diameter and 20cm long is bent into a closed ring and is wound with 3000turns of wire.it is found that 0.5-amp current is passed through this coil and the flux in the coil is 0.5wb/m2.what is the B/H ratio of the iron

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Answered by jeraldbijo5857

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Answer:

I didnt understand the question

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