Question
Physics Question on Mutual Inductance
The mutual inductance M12 of coil 1 with respect to coil 2:
A
depends on the current passing through the coil
B
increases when the coils are brought nearer
C
M21 of coil 2 with respect to the coil 1 is not same
D
increases when any one coil is rotated about its axis
Answer
increases when the coils are brought nearer
Explanation
Solution
The correct option is(B):increases when the coils are brought nearer