Electromagnets work on the principle of

Heating effect of electric current

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Electro-chemical effect of electric current

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Magnetic effect of electric current

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Chemical effect of electric current

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Solution

The correct option is C
Magnetic effect of electric current

Electromagnet is a soft metal core made into a magnet by the passage of electric current through a coil surrounding it. It is based on the magnetic effect of electric current.

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Similar questions

An MCB which cuts off the electricity supply in case of short-circuiting or overloading works on the :

(a) chemical effect of current

(b) heating effect of current

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