Question

28.22 Magnectic field location

Please help! Urgent!

Two long, parallel transmission lines, 38.0 cm apart, carry 23.0 A and 75.0 A currents.

Find all locations where the net magnetic field of the two wires is zero if these currents are in the same direction.

Part A:
Assume that the positive x axis is directed from the 75.0 A wire to the 23.0 A wire perpendicular to the wires, with the origin on the 75.0 A wire.

x= (cm)

Part B:
Find all locations where the net magnetic field of the two wires is zero if these currents are in the opposite direction.
Assume that the positive x axis is directed from the 75.0 A wire to the 23.0 A wire perpendicular to the wires, with the origin on the 75.0 A wire.

x= (cm)

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