An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be______________?

Related Mcqs:

If current in a conductor increases then according to Lenz’s law self-induced voltage will____________?

A. aid the increasing current B. tend to decrease the amount of cur-rent C. produce current opposite to the in-creasing current D. aid the applied voltage...

In case of an inductance, current is proportional to___________?

A. voltage across the inductance B. magnetic field C. both A. and B. D. neither (A) nor (B)...

Two 300 uH coils in series without mutual coupling have a total inductance of___________?

A. 300 uH B. 600 uH C. 150 uH D. 75 uH...

Magnetic compass needle will be deflecting if it is kept near________________?

A. Static charge B. Soft iron C. Semi-conductor D. Accelerating charge...

The self-inductance of a solenoid is increased when a soft iron core is inserted into it. This is because the soft iron core_______________?

A. Decreases the resistance of the solenoid B. Reduces the effect of eddy current C. Improves the flux linkage between the turns of the coil D. Increases the mutual inductance between the solenoid and the core...