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Two very long, straight, and insulated w...

Two very long, straight, and insulated wires are kept at `90^(@)` angle from each other in xy-plane as shown in the figure. These wires carry currents of equal magnitude I, whose directions are shown in the figure. The net magnetic field at point will be:

A

`(+mu_(0)I)/(pid)(hatz)`

B

zero

C

`(mu_(0)I)/(2pid)(hatx+haty)`

D

`-(mu_(0)I)/(2pid)(hatx+haty)`

Text Solution

Verified by Experts

The correct Answer is:
B

`vecB=(mu_(0))/(2pi) I/d(hatk)+(mu_(0))/(2pi)I/d(-hatk), vecB=0`
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