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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

An electric charge e moves with a constant speed v parallel to the lines of force of a uniform magnetic field B, the force experienced by the charge is

Answer: (D)

Solution

The force is with for motion parallel to the field, so ; the expressions in (a), (b) and (c)

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Question ID VK-078265