Two concentric coplanar circular conducting loops have radii 
and 
. Their mutual inductance is proportional to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Magnetic field due to coil 2 at the center,
Magnetic flux through the coil,
But 
…… (ii)
From Eqs. (i) and (ii), we get
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