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An electron is projected with uniform ve...

An electron is projected with uniform velocity along the axis of a current carrying long solneoid. Which one of the following is true ?

A

the electron will be accelerated along the axis

B

the electron path will be circular about axis

C

the electron will experience a force at `45^(@)` to the exis and execute a helical path

D

the electron will conitnue to move with uniform velocity along the axis of the soleoid

Text Solution

Verified by Experts

The correct Answer is:
D
`F=evB sin theta`
As `theta=0,F=0`
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