Two single wire loops each carry the same current, but in opposite directions, a

ID: 1279980 • Letter: T

Question

Two single wire loops each carry the same current, but in opposite directions, as shown above, left. The inner loop has half the diameter of the outer loop.

What is the direction of the magnetic field at the center of the loops? Choose from the options on the key, above right. (A,B,C,D,E,F,G or H)??

PLEASE EXPLAIN YOUR ANSWER.

THANKS!!

Two single wire loops each carry the same current, but in opposite directions, as shown above, left. The inner loop has half the diameter of the outer loop. What is the direction of the magnetic field at the center of the loops? Choose from the options on the key, above right. (A,B,C,D,E,F,G or H)?? PLEASE EXPLAIN YOUR ANSWER. THANKS!!

Explanation / Answer

at the centre of loop , magnetic field is due to resutant of both ,

as due to inner ring magnetic field is higher ,therefore ,

Bnet is INTO THE PLANE (F)

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Two single wire loops each carry the same current, but in opposite directions, a

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