An electricity and magnetism problem by Sargam yadav

Two infinitely long, straight, and thin parallel wires are placed a distance d d apart and carry current i i each. Find the magnetic field at a distance d d from both wires when the direction of current is 1. same and 2. opposite.

Let B B in the first situation be B 1 B_1 , and B 2 B_2 in the second situation. Find B 1 B 2 \dfrac{B_1}{B_2} .

Give your answer to 2 decimal places.


The answer is 1.73.

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