magnetism

Related Questions

• The incorrect statement regarding the lines of force of the magnetic field B is

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• The pole strength of a bar magnet is 48 ampere-metre and the distance between its poles is 25 cm. The moment of the couple by which it can be placed at an angle of $30^o$ with the uniform magnetic intensity of flux density 0.15 Newton /ampere-metre will be

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• Two identical short bar magnets, each having magnetic moment of 10 Am2, are arranged such that their axial lines are perpendicular to each other and their centres be along the same straight line in a horizontal plane. If the distance between their centres is 0.2 m, the resultant magnetic induction at a point midway between them is $({\mu _0} = 4\pi \times {10^{ - 7}}H{m^{ - 1}})$

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• The material of permanent magnet has

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• Substances in which the magnetic moment of a single atom is not zero, is known as

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