An iron core electromagnet has a higher ________ than an air core electromagnet.
A)current
B)permeability
C)resistance
D)reactance

Question

Quizplus · Accepted Answer

Permeability is a measure of a material's ability to conduct magnetic flux. Iron has a higher permeability than air, so an iron core electromagnet will have a higher permeability and therefore be able to produce a stronger magnetic field for a given amount of current.

An Iron Core Electromagnet Has a Higher ________ Than an Air