Which of the following statement is true
Which of the following statement is true
- A
The presence of a large magnetic flux through a coil maintains a current in the coil if the circuit is continuous
- B
A coil of a metal wire kept stationary in a non-uniform magnetic field has an $e.m.f.$ induced in it
- C
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
- D
There is no change in the energy of a charged particle moving in a magnetic field although a magnetic force is acting on it
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A proton and an alpha particle both enter a region of uniform magnetic field $B,$ moving at right angles to the field $B.$ If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is $1\,\, MeV,$ the energy acquired by the alpha particle will be......$MeV$
A proton and an alpha particle both enter a region of uniform magnetic field $B,$ moving at right angles to the field $B.$ If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is $1\,\, MeV,$ the energy acquired by the alpha particle will be......$MeV$
- [AIPMT 2015]
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