Two parallel wires separated by a distance 'd' are carrying a DC curre – McqOptions

MCQOPTIONS

1.	Two parallel wires separated by a distance 'd' are carrying a DC current 'I' in the same direction. The magnetic field along a line running parallel to these wires and midway between them __________.
A.	depends upon I
B.	is zero
C.	depends upon d
D.	depends upon the permeability of the medium between the wires
Answer» C. depends upon d

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