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Two long straight conductors carry curre...

Two long straight conductors carry currents `4 A` and` 2A` into the plane of paper. A circular path is imagined to be enclosing these currents. The value of `oint ``bar(B)`.`bar(dl)` is

A

`6 mu_0`

B

`7 mu_0`

C

`5mu_0`

D

`2mu_0`

Text Solution

Verified by Experts

The correct Answer is:
A
`mu_0 sum i`
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