The magnetic field at a distance r from one current-bearing wire, with a second identical wire the same distance r on the opposite side of the first wire, is (using the superposition principle)
A) double what it would be due to a single wire.
B) three-halves what it would be due to a single wire.
C) five-fourths what it would be due to a single wire.
D) half what it would be due to a single wire.

Question

Quizplus · Accepted Answer

The Answer of The magnetic field at a distance r from one current-bearing wire, with a second identical wire the same distance r on the opposite side of the first wire, is (using the superposition principle)
A) double what it would be due to a single wire.
B) three-halves what it would be due to a single wire.
C) five-fourths what it would be due to a single wire.
D) half what it would be due to a single wire.

The Magnetic Field at a Distance R from One Current-Bearing