Question

An electron is projected along the axis of circular conductor carrying current I. Electron will experience ____________.

Options

• no force

• a force perpendicular to the axis

• a force at an angle of 30° with the axis

• a force along the axis

Answer 1

An electron is projected along the axis of circular conductor carrying current I. Electron will experience no force.

Explanation:

The velocity of the electron is parallel or antiparallel to the magnetic field.

`"F" = "evB sin"  theta`

`theta = 0° or 180°`

`therefore "F" = 0`