Multiple Choice
Hysteresis is a characteristic of magnetic materials wherein a change in magnetization:
A) occurs exactly with the application of a magnetic force.
B) occurs before the application of a magnetizing force.
C) occurs after the application of a magnetic force.
D) varies according to the current flow.
Correct Answer:

Verified
Correct Answer:
Verified
Q9: The left-hand rule can be used to
Q10: Faraday's law states that the voltage induced
Q11: A relay is a device that .<br>A)has
Q12: If the cross -sectional area of a
Q13: The magnetic field around an electromagnet is
Q14: Reversing the current through an electromagnet the
Q17: A coil of wire with current flowing
Q18: For a high current switching application where
Q19: Which one of the statements below does
Q20: If two north magnetic poles are brought