magnetism

Related Questions

• Twists of suspension fibre should be removed in vibration magnetometer so that

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• The period of oscillation of a vibration magnetometer depends on which of the following factors. (where I is the moment of inertia of the magnet about the axis of suspension, M is the magnetic moment of the magnet and H is the external magnetic field)

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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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• At a place, the magnitudes of the horizontal component and total intensity of the magnetic field of the earth are 0.3 and 0.6 Oersted respectively. The value of the angle of dip at this place will be

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• The work done in rotating a magnet of magnetic moment $2 A-m^2$ in a magnetic field of $5 \times 10^{–3} T$ from the direction along the magnetic field to opposite direction to the magnetic field, is

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