(a) What do you understand by the term "electromagnetic induction" ? Explain with the help of a diagram.
(b) Name one device which works on the phenomenon of electromagnetic induction.
(c) Describe different ways to induce current in a coil of wire.
Which of the following devices works on the principle of electromagnetic induction?
Name the principle on which a device that converts 12 V a.c. to 200 V a.c works on