Two long parallel transmission lines 38.0 cm apart carry 24.5 A and 71.0 A curre

Question

Two long parallel transmission lines 38.0 cm apart carry 24.5 A and 71.0 A currents.

a) Find all locations where the net magnetic field of the two wires is zero if these currents are in the same direction.
*Please, enter your answer as a distance from the wire carrying 24.5 A.

b) Find all locations where the net magnetic field of the two wires is zero if these currents are in opposite directions.
*Please, enter your answer as two distances, the first distance from the wire carrying 24.5 A, and the second distance from the wire carrying 71.0 A. Separate the values with a comma.

Explanation / Answer

(B = mu_0 I/2pi r) A) 9.749cm B) Same!

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