#### An e.m.f. of 5 millivolt is induced in a coil when in a nearby placed another coil, the current changes by 5 ampere in 0.1 second. The coefficient of mutual induction between the two coils will be : Option 1) 1 Henry Option 2)   0.1 Henry Option 3) 0.1 millihenry Option 4)  0.01 millihenry

According to Faraday's Second Law -

-

Option 1)

1 Henry

This solution is incorrect

Option 2)

0.1 Henry

This solution is incorrect

Option 3)

0.1 millihenry

This solution is correct

Option 4)

0.01 millihenry

This solution is incorrect

3

3

3

0.1mh