Physics 165 Chapter 4 Exam 2026 Questions and Answers

Physics 165 Chapter 4 Exam 2026
Questions and Answers

Orbital magnetic moment - Correct answer-The magnetic field that is

perpendicular to the plane of the motion

Spin magnetic moment - Correct answer-The magnetic field is also perpendicular

to motion of spinning

Magnetic field lines have ... and ... .... - Correct answer-North and south poles,

Each little magnet is called - Correct answer-Magnetic dipole or magnetic domain

When magnetic domains align the object it acts like a - Correct answer-Magnet

with north and south poles becoming magnetized

Lines of force is also called - Correct answer-Lines of flux or magnetic field

Force fields created when magnetic dipoles align to create magnet - Correct

answer-Lines of force

The stinger the magnet the more ... .. ...which is greater ... ... - Correct answer-The

more lines of flux, greater flux density


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, Lines of force flow from _______ to ______ outside of the magnet - Correct

answer-north and south

Lines of force flow from _______ to ______ inside of the magnet - Correct

answer-South to North

Magnetic fields strength is measured in - Correct answer-Gauss and Tesla

3 principle types of magnets - Correct answer-Natural- earth

artificial- compass

electromagnetic- wire wrapped around iron core

Magnetic laws - Correct answer-Repulsion attraction- alike repels, unalike attract




Inverse square- force is inversely proportional to distance between 2 magnetic

fields




Magnetic poles- all magnetic shave north and south poles

Ferromagnetic - Correct answer-Easily magnetized, strongly attracted

Ex: iron

Paramagnetic - Correct answer-Slightly attracted to magnets
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