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 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 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 metal rod of length 1 m is rotated about one of its endsin a plane at right anglesto a uniform magnetic field of induction 2.5 xx 10^-3Wb//m^2 . If it makes 1800 r.p.m. calculate the induced emf between it.

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?