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A circular copper ring of radius r, plac...

A circular copper ring of radius r, placed in vacuum, has charge q on ti. The electric field intensity at the centre of the ring is `E_(1)`. The electric field intensity of the axis of the ring at a distance x from its centres is `E_(2)`. The value of `E_(2)` will be maximum when `x=x'`
What is the value of `x'` ?

A

`sqrt(2)r`

B

`r/(sqrt(2))`

C

`r/(sqrt(3))`

D

`sqrt(3)r`

Text Solution

Verified by Experts

The correct Answer is:
B
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