Two identical coaxial circular coils carry the same current I but in o – McqOptions

MCQOPTIONS

1.	Two identical coaxial circular 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» B. The same as that produced by one coil

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