Moving Charges and Magnetism

Question: Which of the following statement is true



1) The presence of a large magnetic flux through a coil maintains a current in the coil if the circuit is continuous
2) A coil of a metal wire kept stationary in a non-uniform magnetic field has an e.m.f. induced in it
3) A charged particle enters a region of uniform magnetic field at an angle of $85^\circ $ to the magnetic lines of force; the path of the particle is a circle
4) There is no change in the energy of a charged particle moving in a magnetic field although a magnetic force is acting on it
Solution: Explanation: No Explanation
Motion of Charged Particle In Magnetic Field

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