An electron moving in a horizontal direction with a speed of `5.0 xx 10^(7)ms^(-1)` enters a region where there is an electric field of 2000 V `m^(-1)` directed upwards in its plane of motion. Find the electron coordinates referred to the point of entry and its direction of motion `4 xx 10^(-8)`s later.

An electron beam moving with a speed of 2.5xx10^(7) ms^(-1) enters into the magnetic field 4xx10^(-3) Wb//m^(2) directed perpendicular to its direction of motion. Find the intensity of the electron moves undeflected .

An electron moving with a speed of 2.5 xx 10^(7) ms^(-1) is deflected by an electric field of 1600 Vm^(-1) perpendicular to its circular path. If the radius of the electron trajectory is 2.3 m, calculate the e/m for the electron.

An electron entering field normally with a velocity 4 xx 10^7 ms^(-1) travels a distance of 0.10 m in an electric field of intensity 3200 Vm^(-1) . What is the deviation from its path?

An electron is moving northwards with a velocity 3*0xx10^7ms^-1 in a uniform magnetic field of 10T directed eastwards. Find the magnitude and direction of the magnetic force on the electron. (e=1*6xx10^(-19)C)

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 horizontally with a velocity of 4xx10^4ms^-1 enters a region of uniform magnetic field of 10^-5T , acting vertically downwards as shown in figure. Draw its trajectory and find out the time it takes to come out of the region of magnetic field.

An electron is projected as in fig. at a speed of 6 x 10^(6)ms^(-1) at an angle of 45^(@) E=2000Vm^(-1) directed upward d=3cm and 1=10cm. Will the electron strike either of the plates?

A proton moves with a speed of 5.0times10^(6)ms^(-1) along the x -axis.It enters a region where there is a magnetic field of magnitude 2.0 tesla directed at an angle of 30^(@) to the x -axis and lying in the xy plane.The magnitude of the magnetic force on the proton is

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