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ABC is an equilateral triangle. Charges ...

`ABC` is an equilateral triangle. Charges `+q` are placed at each corner. The electric intensity at `O` will be

A

`q`

B

`2ql`

C

`sqrt(3)ql`

D

`4ql`

Text Solution

Verified by Experts

The correct Answer is:
c

`P_(n et)= sqrt(P^(2)+P^(2)+2ppcos 60^(@))= sqrt(3)p=sqrt(3)ql ( because P=ql)`
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