A 10eV electron is circulating in a plane at right angles to a uniform field at magnetic induction `10^(-4) Wb//m^(2)` (=1.0 gauss). The orbital radius of the electron is

A 10 eV electron circulating in a plane at right angle to a uniform field of magnetic induction 10^(-4) Wb//m^(2) (=1.0"gauss") . The orbital radus of electron is

A 10 eV electron circulating in a plane at right angle to a uniform field of magnetic induction 10^(-4) Wb//m^(2) (=1.0"gauss") . The orbital radus of electron is

A proton of eneergy 1 MeV described a circuler path in a plane at right angles to be a uniform magnetic field of induction 2pi xx 10^(-4)T . The mass of the proton is 1.7 xx 10^(-27)kg . The cyclotron frequency of the proton is very nearly equal to

A metal rod of length 1m is rotated about one of its ends in a plane at right angles to a uniform magnetic field pf induction 2.5 xx 10^(-3) Wb m^(-2) . If it makes 1800 rpm, then the induced emf between its ends approximately is

An electron performs uniform circular motion in a region of magnetic field of induction 3 xx 10^(-3) Wb//m^(2) . If the radius of the circular path of the electron is 2 cm , then the momentum of the electron will be

A conductor of length 10 cm is moved parallel to itself with a speed of 10 m/s at right angle to a uniform magnetic field of 10^(-4)"wb"//m^(2) . What is the e.m.f. induced in it?

An electron moving with a kinetic energy of 1.5 xx 10^(3) eV enters in a region of uniform magnetic field of induction 4 xx 10^(-3) Wb//m^(2) at right angles to the direction of motion of the electron . The radius of circular path of the electron in the magnetic field is