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a charged particle moves in a gravity fr...

a charged particle moves in a gravity free space without change in velocity. Which of the following is/are possible?

A

`E=0 and B!=0`

B

`E!=0 and B=0`

C

`E!=0 and B!=0`

D

`E=0, B=0`

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
`a. v` is parallel o anti paralle to B
c. `qE+q(vxxB)=0`
or `E=-(vxxB)=(Bxxv)`
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