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The mutual inductance M(12) of coil 1 wi...

The mutual inductance `M_(12)` of coil 1 with respect to coil 2

A

increases when they are brought nearer

B

depends on the current passing through the coils

C

increases when one of them is rotated about an axis

D

is the same as `M_(21)` of coil 2 with respect to coil 1

Text Solution

Verified by Experts

The correct Answer is:
A, D
When the coils are brought nearer, the flux linked with them increases, thus `M_(12)` is increased.
Again, `M_(12)=ksqrt(L_(1)L_(2))=M_(21)`
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