Exam 2: Electrical Fundamentals

The amount of current flowing through a circuit is ____ proportional to the electromotive force (voltage) and ____ proportional to the resistance of the circuit.

Voltage is also known by which term?

One of the rules for electric charges is that the strength of the attraction or repulsion between charged objects is directly proportional to the distance between them.

The nucleus of an atom is made up of protons, which have a positive charge and neutrons, which have a negative charge.

Which term means Coulombs/second?

The total current flowing in a circuit is equal to the total ____ applied to the circuit divided by the total ____ of the circuit.

Applying pressure to certain crystals to produce voltage is known as the ____ effect.

Alternating current flows first in one direction and then in the other direction.

In order for an object to be in a charged state, which two particles must be in a state of imbalance?

What is opposition to the flow of electrons called?

Atoms that have from 1 to 4 electrons in their last, or outer, shell are generally good conductors of electricity.

What is the unit of measurement of resistance?

An electrostatic generator develops a voltage using ____.

Rubber and glass are good insulators.

Electrons orbit the nucleus of an atom in arranged rings called ____ .