Electricity

Resistance is measured in a unit called the _______.

• ampere

• coulomb

• ohm

• volt

The statement that current is equal to the voltage difference divided by the resistance is known as ________.

• Einstein's equation

• Faraday's law

• Newton's law

• Ohm's law

A path that allows only one route for an electric current is called a ______.

• parallel circuit

• parallel current

• series circuit

• series current

A circuit that has two or more branches for electrons to follow is a(n) _____.

• circuit diagram

• electron circuit

• parallel circuit

• series circuit

A material through which electrons do NOT easily flow is a(n) ___________.

• conductor

• fuse

• insulator

• transformer

Lightning is _____.

• a buildup of neutrons

• a high-voltage electric current

• harmless

• a large discharge of static electricity

Batteries create a(n) _____ to cause current to flow through a circuit.

• static discharge

• neutral terminal

• electric shock

• voltage difference

Which of the following devices is designed to open an overloaded circuit and prevent overheating?

• circuit breaker

• magnet

• resistor

• transformer

The rate at which an electrical device converts energy from one form to another is _____.

• electrical energy

• electric resistance

• electric power

• voltage regulation

Electrical current is measured in a unit called the _____.

• Watt

• Ampere

• Resistance

• Ohm