If a beta particle enters in magnetic and electric field with its velocity pointing in the same direction as electric and magnetic field then :

If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field, then

If an electron enters a magnetic field with its velocity pointing in the same direction as the magnetic field, then

An electron enters in an electric field with its velocity in the direction of the electric lines of force. Then

An electron enters an electric field with its velocity in the direction of the electric lines of force. Then

A charged particle enters into a magnetic field with velocity vector making an angle of 30^@ with respect of the direction of magnetic field. The path of the particle is