A stream of electrons moving with a velocity of `6xx10^(7)ms^(-1)` passes between two parallel plates. An electric field of `3000 Vm^(-1)` is applied between the plates. Calculate the strength of the magnetic field required to keep the electron undeflected.

An electron, moving with a velocity of 5xx10^(7)ms^(-1) , enters in a magnetic field of 1 "Wb" m^(-1) at an angle of 30^(@0) . Calculate the force on the electron.

A stream of electrons moving with a speed of 3xx10^(7) ms^(-1) is deflected on passing through an electric field of 1800 Vm^(-1) , perpendicular to its path. If the radius iof the deflected beam is 3 m , calculate the value of e//m=1.76xx10^(11)C kg^(-1) .

An electron is moving along +x direction with a velocity of 6 xx 10^6 ms^(-1) . It enters a region of uniform electric field of 300 V/cm pointing along + y direction. The magnitude and direction of the magnetic field set up in this region such that the electron keeps moving along the x direction will be :

An electron is moving along +x direction with a velocity of 6 xx 10^6 ms^(-1) . It enters a region of uniform electric field of 300 V/cm pointing along + y direction. The magnitude and direction of the magnetic field set up in this region such that the electron keeps moving along the x direction will be :

An electron moving with a velocity 5 xx 10^(6)ms^(-1)hati in the uniform electric field of 5 xx 10^(7)Vm^(-1)hatj Find the magnitude and direction of a minimum uniform magnetic field in tesla that will cause the electron to move undeviated along its original path .

An electron is projected with an initial velocity of 10^(7)ms^(-1) into an electric field between two parallel plates 1 cm apart. The electron enters the field at a point midway between the plates. If the electron just misses the positivity charged plate as it emerges from the field, find the magnnitude of the electric density between the plates. (Length of each plate is 2 cm, mass of electron= 9xx10^(-31) kg and charge of electron =1.6xx10^(-19) C)