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This question belongs to Electronics And Communications Engineering Electromagnetic Field Theory

Electromagnetic Field Theory

?

Two identical coaxial coils carry the same current I but in opposite directions. The magnitude of the magnetic field B at a point on the axis midway between the coils is

A) Zero B) The same as that produced by one coil C) Twice that produced by one coil D) Half that produced by one coil

Answer & Solution

Correct Answer: Option A

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Question posted by Examveda

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