Question

Or
(a) Define electromagnetic induction.
(b) Two coils P and S are wound over the
same iron core. Coil P is connected to
battery and key and the coil S is
connected to galvanometer. Draw a
suitable diagram of this arrangement
and write your observations when :
(i) current in the coil P is started by
closing the key.
(ii) current continues to flow in coil
P.
(iii) current in coil P is stopped by
removing the key.
Fynlain the reason for such observations.​

Answer 1

who give you write to ask this question

Answer 2

Answer:

when a conducting wire is placed in a magnetic field it produces an induced current in the wire this phenomenon is known as electro magnetic induction