A crossed electric and magnetic field is used in…………………….

Certain devices can accelerate charged particles to high energies by using combined electric and magnetic fields.In this device______field increase the speed of the particles to high and ____ field is responsible for the circular motion of the particles.

Certain devices can accelerate charged particles to high energies by using combined electric and magnetic fields. Write the names of one such device.

Certain devices can accelerate charged particles to high energies by using combined electric and magnetic fields.Draw a schematic diagram of the device

Mention any two differences between electric and magnetic field.

In an electro magnetic wave electric and magnetic field vectors are given by E= 120 sin(omega t+kz)i , B = 40xx10^-8 sin(omega t +kz)j : Determine the ratio of amplitude of electric field to magnetic field in the case of the above em wave?