A charged particle enters in a strong perpendicular magnetic field. Then its kinetic energy

Question

A charged particle enters in a strong perpendicular magnetic field. Then its kinetic energy (A) increases (B) decreases (C) remains constant (D) first increases and then becomes constant

Tardigrade Admin · Accepted Answer

The magnetic field is always perpendicular to its velocity. So, it does not affect the kinetic energy.

Q. A charged particle enters in a strong perpendicular magnetic field. Then its kinetic energy

increases

decreases

remains constant

first increases and then becomes constant

The magnetic field is always perpendicular to its velocity. So, it does not affect the kinetic energy.