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Two identical short bar magnets each of magnetic moment 12.5 Am2 are placed at a separation of 10 cm. between their centres, such that their axes are perpendicular to each other. Find the magnetic field at a point midway between the two magnets.
The electron in a hydrogen atom is moving with a spared of 2.3 ×106ms–1 in an orbit of radius 0.53Å. Calculate the magnetic moment of revolving electron.
A ship is to reach a place 10° south of west. In what direction should it be steered if declination at the place is 17° west?
Two identical thin bar magnets each of length L and pole strength m are placed at right angles to each other, with the N pole of one touching the S-pole of the other. Find the magnetic moment of the system.