An electron (mass `=9xx10^(-31)kg`. Charge `=1.6xx10^(-19)C)` whose kinetic energy is `7.2xx10^(-18)` joule is moving in a circular orbit in a magnetic field of `9xx10^(-5) "weber"//m`. The radius of the orbit is

An electron (mass = 9xx10^(-31) kg, charge = 1.6xx10^(-19)C ) whose kinetic energy is 7.2xx10^(-18) joule is moving in a circular orbit in a magnetic field of 9xx10^(-5)Wb//m^(2) . The radius of the orbit is _____ .

An electron (mass =9.0xx10^(-31) kg and charge =1.6xx10^(-19) coulomb) is moving in a circular orbit in a magnetic field of 1.0xx10^(-4)"weber"//m^(2) . Its perido of revolution is

An electron (mass =9.0xx10^(-31) kg and charge =1.6xx10^(-19) coulomb) is moving in a circular orbit in a magnetic field of 1.0xx10^(-4)"weber"//m^(2) . Its perido of revolution is

An electron (mass = 9.0xx10^(-31)kg and charge = 1.6xx10^(-19) coulomb) is moving in a circular orbit in a magnetic field of 1.0xx10^(-4)Wb//m^(2) . Its period of revolution is _______ .

An electron (mass =9.1xx10^(-31)kg , charge =-1.6xx10^(-19)C ) completes one revolution in 10^(-8) s in its circular orbit on a plane perpendicular to a uniform magnetic field. Determine the magnetic field.

An electron (mass =9xx10^(-31)kg , charge= 1.6xx10^(-19)C) enters a magnetic field with velocity 10^(6)m*s^(-1) and starts rotating in a circular path of radius 10 cm. What is the magnetic field ?