Magnetism and Electromagnetism

Ferromagnetic

Paramagnetic

Diamagnetic

Superconducting

The north and south poles separate into two monopoles.

One piece becomes only a north pole, and the other becomes only a south pole.

Each piece becomes a weaker magnet with both a north and south pole.

The magnetic field disappears completely.

The net magnetic field is zero.

The net magnetic field points toward the wire with current coming out of the page.

The net magnetic field points toward the midpoint of the side connecting the two wires with current going into the page.

The net magnetic field points away from the midpoint of the side connecting the two wires with current going into the page.

The resistance of a material to magnetic fields.

The ability of a material to conduct electric current.

The measure of how much a material can be magnetized in response to an external magnetic field.

The temperature at which a material loses its magnetism.

Iron has a much lower magnetic permeability than a vacuum.

Iron has approximately the same magnetic permeability as a vacuum.

Iron has a slightly lower magnetic permeability than a vacuum.

Iron has a much higher magnetic permeability than a vacuum.

Direction of the magnetic force on a positive charge.

Speed of charged particles moving through the field.

Strength of the magnetic field.

Type of material creating the magnetic field.

Ferromagnetic

Paramagnetic

Diamagnetic

Non-magnetic

$B_0 / \mu_r$

$B_0$

$\mu_r B_0$

$B_0^2 / \mu_r$

Magnetic monopoles are commonly observed in nature.

Magnetic monopoles have been experimentally confirmed and are used in modern technology.

Magnetic monopoles are purely theoretical and have never been observed experimentally.

Magnetic monopoles are responsible for the Earth's magnetic field.

There would be no force on the monopole.

The force would be parallel to the wire.

The force would be perpendicular to both the wire and the radial direction from the wire.

The force would be directly radial, either towards or away from the wire.