Question

what is an electro magnetic field what are the factors affect its strength

Answer 1

Explanation:

Hey mate here ur answer✌

An electromagnetic field (also EMF or EM field) is a physical field produced by electrically charged objects. It affects the behavior of charged objects in the vicinity of the field. The electromagnetic field extends indefinitely throughout space and describes the electromagnetic interaction.✔

Answer 2

electromagnet field is physical field produced by electrically charged objects

factors or effect=>

effect to nature of core material strength passing through it