Physics, asked by punithakran9211, 6 months ago

describe an activity to demostrate the pattern of magnetic field lines around a straight

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Answered by Anonymous

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Answer❤

Take a thick straight conductor XY and pass it through the centre of a thick cardboard. Pass current through the conductor such that it flows from X to Y. Sprinkle some iron filings on the cardboard and gently tap. You will see that the iron filings arrange themselves in concentric circles around the wire

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