An electron moving in a circular orbit of radius `r` makes `n` rotation per secound. The magnetic field produced at the centre has magnitude

An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude

An electron moving in a circular orbit of radius r makes n rotation per second. The magnetic field produced at the centre has magnitude

An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude

An electron moving in a circular orbit of radius makes n rotations per second. The magnetic field produced at the centre has magnitude :

An electron moving in a circular orbit of radius makes n rotations per second. The magnetic field produced at the centre has magnitude :

A particle having charge 100 times that of an electron is revolving in a circular path of radius 0.8m with one rotation per second. The magnetic field produced at the centre is

A particle having charge 100 times that of an electron is revolving in a circular path by radius 0.8 m with one rotation per second. The magnetic field produced at the centre is,

An electron moving in a circular orbit of radius r makes n rotations per second per second. The magnetic moment of the orbital electron is