magnetism

Related Questions

• A magnet of length 0.1 m and pole strength ${10^{ - 4}}A.m.$ is kept in a magnetic field of $30\,Wb/{m^2}$ at an angle 30°. The couple acting on it is ……… $ \times {10^{ - 4}}Nm.$

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• Liquid oxygen remains suspended between two pole faces of a magnet because it is

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• The number of turns and radius of cross-section of the coil of a tangent galvanometer are doubled. The reduction factor K will be

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• The angle of dip at a place on the earth gives

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• Keeping dissimilar poles of two magnets of equal pole strength and length same side, their time period will be

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