Explain different ways to induce current in a coil

Q. What is the role of the split ring in an electric motor?



The different ways to induce current in a coil are as follows:
(i) Moving a magnet towards a coil sets up a current in the coil circuit,


(ii) If a coil is moved rapidly between the two poles of a horse-shoe magnet, then an electric current is induced in the coil.

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