magnetism

Related Questions

• A magnetic needle suspended horizontally by an unspun silk fibre, oscillates in the horizontal plane because of the restoring force originating mainly from

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• A small bar magnet A oscillates in a horizontal plane with a period T at a place where the angle of dip is $60^o$. When the same needle is made to oscillate in a vertical plane coinciding with the magnetic meridian, its period will be

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• The line on the earth's surface joining the points where the field is horizontal is

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• A magnet when placed perpendicular to a uniform field of strength ${10^{ - 4}}Wb/{m^2}$ experiences a maximum couple of moment$4 \times {10^{ - 5}}N/m.$. What is its magnetic moment

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• The length of a magnet is large compared to its width and breadth. The time period of its oscillation in a vibration magnetometer is 2 s. The magnet is cut along its length into three equal parts and three parts are then placed on each other with their like poles together. The time period of this combination will be

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