Fill ups
Non induction coils are used in the ……………boxes.

n an induction coil, the secondary e.m.f. is

Fill ups The inductive reactance has the unit of ………………. .

Show that coefficient of mutual induction for one coil due to current in the other coil always remains the same.

Show that coefficient of mutual induction for one coil due to current in the other coil always remains the same.

Fill ups Unit of magnetic induction in S.I. is……….

An e.m.f. of 250 muV is induced in a coil, when current in it changes from 10 A to 6 A in 0.4 s. What is the self inductance of the coil?

An e.m.f. of 50 millivolt is induced in a coil, when the current int eh neighbouring coil changes form 10 ampere to 5 ampere in 0.1s . What is the mutual inductance of the coils?

Answer the following questions: A capacitor is used in the primary circuit of an induction coil.

Explain self induction of a coil and give its unit.