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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A current of 10 ampere is flowing in a wire of length 1.5 m. A force of 15 N acts on it when it is placed in a uniform magnetic field of 2 tesla. The angle between the magnetic field and the direction of the current is

Answer: (A)

Solution

, so ; at 45,

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Question ID VK-078610