If a magnetic field is applied perpendicular to the velocity of a charge moving in a straight line, the trajectory of the charge will be?

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If a magnetic field is applied perpendicular to the velocity of a charge moving in a straight line, the trajectory of the charge will be?

Acircular

Belliptical

Clinear

Dspiral

Answer:

A. circular

Read Explanation:

If a magnetic field is applied perpendicular to the velocity of a moving charge, the magnetic force causes the charge to move in a circular path, as per the Lorentz force law. The magnetic force, acting perpendicular to the velocity of the particle, will cause circular motion. The centripetal force of the particle is provided by magnetic Lorentzian force so that qvB=mv2r.

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