Can a charged particle be accelerated by a magnetic field? Can its speed be increased?

When a charged particle moves in an elecltric or a magnetic field, its speed is v and acceleration is a

When a charged particle moves in an elecltric or a magnetic field, its speed is v and acceleration is a

A charged particle moves in a circular path in a uniform magnetic field. If its speed is reduced, then its tiem period will

A charged particle moves in a circular path in a uniform magnetic field. If its speed is reduced, then its tiem period will

The magnetic field of a solenoid can be increased by

When a charged particle enters a uniform magnetic field its kinetic energy

Let a uniform magentic field’is active within a finite region. A charged particle is entered into the magnetic field. Can the magnetic force on that charge particle confined it into'that region of magnetic field?