An electron having kinetic energy T is moving in a circular orbit of radius R prependicular to a uniform magnetic field induction `barB` . If kinetic energy is double and magentic field induction is triple, the radius will becomes :

An electron having kinetic energy K is moving i a circular orbit of radius R perpendicular to a uniform magnetic induction. If kinetic energy is douled and magnetic induction tripled, the radius will become

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

An electron moving in a circular orbit of radius R with frequency f . The magnetic field at the centre of the orbit is

Current I A flowing in a circular coil of radius r. then the magnetic induction at the centre is B. If the current is doubled then the magnetic induction will be

A proton carrying 1 MeV kinetic energy is moving in a circular path of radius R in unifrom magentic field. What should be the energy of an alpha- particle to describe a circle of the same radius in the same field?

A particle carrying a charge moves perpendicular to a uniform magnetic field of induction B with a momentum p then the radius of the circular path is

A charged particle is moving on circular path with velocityv in a uniform magnetic field B, if the velocity of the charged particle is doubled and strength of magnetic field is halved, then radius becomes

A deuteron of kinetic energy 25ke V is describing a circular orbit of radius 0.5 m in a plane perpendicular to magnetic field vec(B) . The kinetic energy of the proton that describes a circular orbit of radius . 0.5 m in the same plane with the same vec(B) is