Question

How is an electromagnet made name two factors on which the strength of magnetic field of Electromagnet depends

Answer 1

The strength of an electromagnet depends on:

The strength of the current passing through the coil, the greater the current, the greater the strength. ...

The number of turns in the coils, the greater the number of coils, the greater the strength. ...

Whether the core is made up of a soft or hard magnetic material.

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Answer 2

Answer:

A simple electromagnet comprises a length of wire turned into a coil and connected to a battery or power supply.

A coil of insulated wire is wrapped around an iron nail. One end of the coil of wire is connected to a battery. The other is connected to a switch in the circuit

A simple electromagnet

You can make an electromagnet stronger by doing these things:

adding more turns to the coil

increasing the current flowing through the coil