magnetism

Related Questions

• A sensitive magnetic instrument can be shielded very effectively from outside magnetic fields by placing it inside a box of

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• The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of the magnet. A copper coil is added so that one pole of the magnet passes in and out of the coil. The coil is short-circuited. Then which one of the following happens

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• Vibration magnetometer before use, should be set

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• A bar magnet of magnetic moment $3.0 A-m^2$ is placed in a uniform magnetic induction field of $2 \times 10^{–5} T$. If each pole of the magnet experiences a force of $6 \times 10^{–4} N$, the length of the magnet is

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• The magnetic susceptibility of any paramagnetic material changes with absolute temperature T as

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