A charged particle is released from rest under gravity. A uniform horizontal magnetic field exists in the space. Which of the statements are true?

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Starting with zero velocity, the particle will eventually acquire a circular path if gravity is also there apart from the magnetic field

Magnetic force alone is not responsible for deflection in the path of the particle subsequently

magnetic force alone is responsible for deflection in the path of the particle subsequently

The speed of the charge increases continuously

answer is C.

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Detailed Solution

The particle starts moving due to gravity.
Initially, the magnetic force deflects it.
Subsequently, the deflecting normal force is resultant of the magnetic force and a component of the weight of the particle

When the speed of the particle becomes high, the magnetic force will turn the particle up. As the particle climbs, its speed will begin to decrease. The speed will not increase
continuously.

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