[" 14.An electron having kinetic energy "K" is moving in a circular orbit of radius "R" ,perpendicular the "],[" uniform magnetic induction.If "K" .E is doubled and magnetic induction tripled,the radius will beco "]

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

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

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 :

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

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

Magnetic moment of an electron of charge e moving in a circular orbit of radius r with speed v is given by

The magnetic moment of an electron of charge e moving in a circular orbit of radius r with speed v is given by

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

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

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