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49.a coil hav...

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49.a coil having uniform magnetic moment 15 Am2 placed in auniform magnetic field of 2T in the horizontal direction exists such that initially the axis of the coil is in the direction of the field .if the coil is rotated by45 and the moment of inertia of the coil is 0.5 kgm2 then the angular speed aquired by the coil is

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Q. A coil having magnetic moment 15 A

m^{2}

placed in a uniform magnetic field of 4 T in the horizontal direction exists such that initially, the axis of coil is in the direction of the field. If the coil is rotated by

45^{o}

and the moment of inertia of the coil is 0.5 kg

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then the angular speed acquired by the coil is

Q. A 100 turns closely wound circular coil of radius 10 cm carries a current of 3.2 A. A uniform horizontal magnetic field of strength 2T is turned on. The axis of the coil is initially in the direction of the field. The coil rotates through an angle of 90

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Q. A circular coil has moment of inertia

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