Question

Choice of material for the core of electromagnet?

Answer 1

Here is your answer.
A simple electromagnet consisting of a coil of wire wrapped around an ironcore. A core of ferromagnetic materiallike iron serves to increase the magnetic field created. The strength of magnetic field generated is proportional to the amount of current through the winding.

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Answer 2

Answer:

steel, nickel, iron for magnetic

.the non magnetic is wood, glass,silver

Explanation:

its the magnetic material and the other guy is wrong