magnetism

Related Questions

• If a hole is made at the centre of a bar magnet, then its magnetic moment will

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• A bar magnet when placed at an angle of $30^o$ to the direction of magnetic field induction of $5 \times 10^{–2} T$, experiences a moment of couple $25 \times 10^{–6} N-m$. If the length of the magnet is 5 cm its pole strength is

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• When 2 amperes current is passed through a tangent galvanometer, it gives a deflection of $30^o$. For $60^o$ deflection, the current must be

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• $Weber/m^2$ is equal to

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