Question

in an Electromagnet what is the advantage of iron core

Answer 1

 A core of ferromagnetic material like 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

The description about electromagnet is as follows:

Explanation:

• An electromagnet is a magnet that functions in the presence of electricity.
• The strength of the electromagnet is dependent upon the amount of current provided to it.
• The poles of the electromagnet functions in the reverse order due to the flow of electricity.
• In an electromagnet has a iron core. The core functions by increasing the magnetic field.
• The strength of the magnetic field is proportion to the amount of current flowing in it by the process of welding.

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