Question

Two infinitely long straight conductors carry currents in the opposite directions. Each of them experiences a magnetic force per unit length of 15 x 10-5 N/m. If the distance between the conductors is 2 cm and the current through one of the conductors is 3 A, find the current through the other conductor.​

Answer 1

Answer:

Dont know

Explanation:

Answer 2

Answer:

Correct option is C)

The force per unit length between two long straight current carrying conductors is given by F=

2πd

μ

0

I

1

I

2

Here, current in the conductors I

1

=I

2

=3A,

Distance between the two conductors, d=2cm=0.02m,

So, F=

2π×0.02

4π×10

−7

×3×3

=9×10

−5

N/m

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