magnetism

Related Questions

• A current carrying coil is placed with its axis perpendicular to N-S direction. Let horizontal component of earth's magnetic field be Ho and magnetic field inside the loop is H. If a magnet is suspended inside the loop, it makes angle $\theta $ with H. Then $\theta $=

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• What happens to the force between magnetic poles when their pole strength and the distance between them are both doubled

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• The magnetic susceptibility is

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• A thin rectangular magnet suspended freely has a period of oscillation equal to $T$. Now it is broken into two equal halves (each having half of the original length) and one piece is made to oscillate freely in the same field. If its period of oscillation is $T'$, then ratio $\frac{{T'}}{T}$is

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• The material of permanent magnet has

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