Moving Charges and Magnetism

Related Questions

• A length L of wire carries a steady current I. It is bent first to form a circular plane coil of one turn. The same length is now bent more sharply to give a double loop of smaller radius. The magnetic field at the centre caused by the same current is

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• If a long hollow copper pipe carries a direct current, the magnetic field associated with the current will be

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• The coil of a galvanometer consists of 100 turns and effective area of 1 square cm. The restoring couple is ${10^{ - 8}}\,N - m/radian$. The magnetic field between the pole pieces is 5 T. The current sensitivity of this galvanometer will be

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• The magnetic moment of a current (i) carrying circular coil of radius (r) and number of turns (n) varies as

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• Which particles will have minimum frequency of revolution when projected with the same velocity perpendicular to a magnetic field

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