magnetism

Related Questions

• A magnet is suspended in such a way that it oscillates in the horizontal plane. It makes 20 oscillations per minute at a place where dip angle is 30o and 15 oscillations per minute at a place where dip angle is 60o. The ratio of total earth's magnetic field at the two places is

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• Time period of a freely suspended magnet does not depend upon

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• The given figure represents a material which is

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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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• A bar magnet has a magnetic moment equal to$5 \times {10^{ - 5}}weber \times m.$ It is suspended in a magnetic field which has a magnetic induction (B) equal to $8\pi \times {10^{ - 4}}tesla.$ The magnet vibrates with a period of vibration equal to 15 sec. The moment of inertia of the magnet is

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