A magnet is suspended in the magnetic meridian with an untwisted wire. The upper end of wire is rotated through 181º to deflect magnet by 37º from magnetic meridian. Now this magnet is replaced by another magnet and upper end of wire has to be rotated by 273º to deflect magnet by 53º from magnetic meridian. The ratio of magnetic moment of the two magnets respectively is
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This is based on the concept of torque by field and twisting of wire
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A bar magnet is suspended by a thin wire in a uniform magnetic plant used in the upper end of viable 160 degree the magnetic displays from his initial position by 30 degree how much should be upper in up the wire we twist it true that the magnet is displaced by 90 degree from its initial position
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