First slide
Magnetic field due to a moving charge

Work done on an electron moving in a solenoid along its axis is equal to :


Magnetic field in the solenoid is along its axis,
So,  force on electron when it moves along the axis is Zero
Since   qvBsinθ=0
since  θ=0

Get Instant Solutions
When in doubt download our app. Now available Google Play Store- Doubts App
Download Now
Doubts App