when a positively charged particle enter a uniform magnetic field with uniform velocity its trajectory can be
(a) straight line (b) a cicle a (c)helix

When a positively charged particle enters a uniform magnetic field with uniform velocity, its trajectory can be a) a straight line b) a circle c) a helix

When a positively charged particle enters a uniform magnetic field with uniform velocity, its trajectory can be a) a straight line b) a circle c) a helix

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

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 at 90^@ to a unifrm magnetic field. The locus of its trajectory will be