[" 21.A current "1=20sin(100 pi t)" A is passed in first coil,which induces a maximum emf "],[10 pi V" in second coil.The mutual inductance between the coils is (in "mH" ) "]

A current I = 10 sin (100pi t) amp. Is passed in first coil, which induces a maximum e.m.f of 5pi volt in second coil. The mutual inductance between the coils is-

A current I = 10 sin (100pi t) amp. Is passed in first coil, which induces a maximum e.m.f of 5pi volt in second coil. The mutual inductance between the coils is-

[" A current "1=10sin(100 pi t)" amp is passed in first coil,which induces a "],[" maximum e.m.f of "5 pi" volt in second coil.The mutual inductance between "],[" the coils is - "]

A current I=20sin(100pit)A is passed in the first coil, which induces a maximum emf of 10piV in the second coil. The mutual inductance for the pair of coils is

A current I=20sin(100pit)A is passed in the first coil, which induces a maximum emf of 10piV in the second coil. The mutual inductance for the pair of coils is

If the rate of change of current is 1A per second in one coil induces an emf of 2 V in the neighbouring coil, the mutual inductance of two coils is

The current decays from 5A to 2A in 0.01 s in a coil. The emf induced in a coil nearby it is 30V . The mutual inductance between the coils is

If the rate of change of current of 1A/s in one coil, induced an emf of 1 V in the neighbouring coil, the mutual inductance of two coils is