Which of the following will create a magnetic field?
A) Metals of different atomic number combined in an alloy
B) Resistance to movement of ionic charges in a conductor
C) Forces opposed to normal variation of polar conductance
D) Movement of charges in an electric current

Question

Quizplus · Accepted Answer

Movement of charges in an electric current creates a magnetic field. This is the fundamental principle behind electromagnetism.

Which of the Following Will Create a Magnetic Field