magnetism

Related Questions

• The error in measuring the current with a tangent galvanometer is minimum when the deflection is about

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• 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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• The period of oscillations of a magnet is 2 sec. When it is remagnetised so that the pole strength is 4 times its period will be

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• A bar magnet is placed north-south with its north pole due north. The points of zero magnetic field will be in which direction from the centre of the magnet

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• A uniform magnetic field, parallel to the plane of the paper existed in space initially directed from left to right. When a bar of soft iron is placed in the field parallel to it, the lines of force passing through it will be represented by

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