Electricity and Magnetism Quiz

Identify the choice that best completes the statement or answers the question. Current that flows in only one direction is referred to as _____ current.

• direct

• alternating

Identify the choice that best completes the statement or answers the question. The three principle parts of an atom are the _____.

• electron, proton, and quark

• neutron, positron, and electron

• electron, neutron, and proton

• neutron, quark, and electron

Identify the choice that best completes the statement or answers the question. The part of an atom that has a positive charge is the _____.

• quark
• spark

• proton

The part of an atom that has no charge is the _____.

• quark

• neutron

• proton

• electron

The atomic number of an element is the number of _____ in the nucleus.

• quarks

• neutrons

• protons

• electrons

The law of charges states that like charges _____ and opposite charges _____.

• attract, repel

• repel, attract

• attract, attract

• repel, repel

Valence electrons are contained in the _____ shell.

• inner

• outer

• middle

• bottom

The most common method of producing electricity is _____.

• friction
• Solar

• Hydro

• Nuclear

Current that flows in both directions is referred to as _____.

• alternating
• Direct

Electrostatic charges occur on _____.

• insulators
• Conductors