A charged particle enters into a uniform magnetic field the parameter that remains constant is

A charged particle placed in a uniform magnetic field experiences :

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

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

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

A charged particle enters into a uniform magnetic field and experiences upward force as indicated in figure. What is the charge sign on the particle?

A charged particle is moving in a uniform magnetic field. Then ______ .

When a positively charged particle enters into a uniform magnetic field with uniform velocity its trajectory can be i) a straight line ii) a circle iii) a helix