Question

A branch of physics which studies the magnetic effects of electric current is called _________ .

Answer 1

1. Electromagnetism is a branch of physics involving the study of electric and magnetic fields and their interactions with each other.
2. The concepts of electromagnet, dynamo, doorbell, etc. can be understood in electromagnetism.
3. The phenomenon when chargers flow through a conductor and produce a magnetic effect is explained by electromagnetism.

Hence, a branch of physics that studies the magnetic effects of electric current is called electromagnetism.