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Infinite number of straight wires each c...

Infinite number of straight wires each carrying current I are equally placed as shown in the figure Adjacent wires have current in opposite direction Net magnetic field at point `P` is
.

A

`(mu_(0)I)/(4pi)(ln2)/(sqrt3a)hatk`

B

`(mu_(0)I)/(4pi)(ln4)/(sqrt3a)hatk`

C

`(mu_(0)I)/(4pi)(ln4)/(sqrt3a)(-hatk)`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
B
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