magnetism

Related Questions

• Using a bar magnet P, a vibration magnetometer has time period 2seconds. When a bar Q (identical to P in mass and size) is placed on top of P, the time period is unchanged. Which of the following statements is true

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• A bar magnet is oscillating in the earth's magnetic field with time period T. If its mass is increased four times then its time period 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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• A sensitive magnetic instrument can be shielded very effectively from outside magnetic fields by placing it inside a box of

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• Which of the following, the most suitable material for making permanent magnet is

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