Exam 4: Electricity, Magnetism, and Electromagnetism

An electric potential applied to a conductor produces __________.

What type of material can be made magnetic when placed in an external magnetic field?

A charged particle in motion creates a(n) ______________.

An alternating (AC) current is represented by a __________ line.

The rotation of electrons on their axis is the property called ____________.

In the United States, alternating current goes through a complete cycle every _____ second.

Like charges _______ and unlike charges _______.

Rubber and glass are ___________.

A _________ is a source of direct current.

Electrical power is measured in _____.

The force between magnetic poles is proportional to the ________ of the magnetic pole strengths, divided by the ________ of the distance between them.

What is the SI unit of magnetic field strength?

The magnetic intensity of an electromagnet is greatly increased by the addition of a(n) __________ core.

A ___________ uses direct current.

Alternating current is produced by a ___________.

Electrification occurs through the movement of ___________.

Electrostatic force is _________ proportional to the distance between charges, and _______ proportional to the product of the charges.

What is the unit of electric potential?

Water is a ___________ material.

What is Ohm's law?