Question

The branch of physics that deals with the magnetic effects of electric current is __________.

Answer 1

1. An electromagnet is made up of a soft iron core that is insulated by copper wire.
2. When current is passed through an electromagnet then it behaves, like a magnet and loses its magnetism when the current is stopped.
3. Electromagnetism is the branch of physics that deals with the magnetic effect of electric current.

Hence, The branch of physics that deals with the magnetic effects of electric current are called electromagnetism.