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Three infinitely long parallel straight ...

Three infinitely long parallel straight current carrying wires A, B and Care kept at equal distance from each other as shown in the figure. The wire C experiences net force F. The net force on wire C, when the current in wire A is reversed will be :

A

Zero

B

`(F)/(2)`

C

F

D

2F

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • If two straight current carrying wires are kept perpendicular to each other almost touching then the wires

    A
    Attract each other
    B
    Repel each other
    C
    Remain stationary
    D
    Become parallel to each other

  • The magnetic induction due to an infinitely long straight wire carrying a current i at a distance r from wire is given by

    A
    `|B|=((mu_(0))/(4pi))(2i)/r`
    B
    `|B|=((mu_(0))/(4pi))r/(2i)`
    C
    `|B|=((4pi)/(mu_(0)))(2i)/r`
    D
    `|B|=((4pi)/(mu_(0)))r/(2i)`

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