1.
The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as
2.
Which circuit element(s) will oppose the change in circuit current?
3.
Which of the following circuit elements will oppose the change in circuit current?
4.
In case all the flux from the current in coil 1 links with coil 2, the coefficient of coupling will be
5.
Two 300 uH coils in series without mutual coupling have a total inductance of
6.
Which of the following is not a unit of inductance?
7.
Which of the following is unit of inductance?
8.
An open coil has
9.
The self inductances of two coils are 8 mH and 18 mH. If the coefficient of coupling is 0.5, the mutual inductance of the coils is
10.
Which of the fpllowing inductor will have the least eddy current losses ?