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In a region of space, magnetic field exi...

In a region of space, magnetic field exists in a cylindrical region of radius a centred at origin with magnetic field along negative z-direction. The field is given by `vecB=-B_(0)thatk`. The force experienced by a stationary charge q placed at (r, 0, 0), where `r gt a` is

A

`qB_(0)`

B

`(qB_(0)a^(2))/(2r)`

C

`(qB_(0)r)/(2)`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
B
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