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A very long straight uniformly charged t...

A very long straight uniformly charged thread carries a charge `lambda` per unit length, Find the magnitude and direction of the electric field strenght at a point which is at a distance y from the thread and lies on the perpendicular passing through one of the thread.s ends.

A

`(lambdasqrt(3))/(4piepsilon_(0)y),theta=40^(0)`

B

`(lambdasqrt(5))/(4piepsilon_(0)y),theta=40^(0)`

C

`(lambdasqrt(5))/(4piepsilon_(0)y),theta=40^(0)`

D

`(lambdasqrt(2))/(4piepsilon_(0)y),theta=45^(0)`

Text Solution

Verified by Experts

The correct Answer is:
D
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