Question

2.5 points Why putting a magnetic material inside the primary coil enhances the magnetic field strength, or in other words makes it a stronger magnet? It helps to concentrate the fields from the coil 1. 02 It nullifies all the fields from the coil Presence of the magnetic material encourages the coil to become a better magnet 3. It converts into an electromagnet itself and its field add to the existing fields of the coil

Answer 1

It converts into an electromagnet itself and its field adds to the existing field of

the coil.

The correct option is 4.