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Two infinitely long thin styraight wires...

Two infinitely long thin styraight wires having uniform linear charge densities `lambda` and `2lambda` are arranged parallel to each other at a distance `r` apart.The intensity of the electric field at a point midway between them is

A

`(2lambda)/(piepsilon_(0)`

B

`(lambda)/(piepsilon_(0)r)`

C

`(lambda)/(2piepsilon_(0)r)`

D

`(3lambda)/(2piepsilon_(0)r)`

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