Electrical Concepts Quiz

What is a circuit?

• A. A closed path through which electrons can flow

• B. A device that stores electrical energy

• C. A material that blocks electrical flow

• D. A measurement of electrical pressure

Which component is designed to protect electrical circuits from excessive current?

• A. Switch

• B. Fuse

• C. Outlet

• D. Battery

What is an insulator?

• A. A device that measures voltage

• B. A material that allows electricity to flow easily

• C. A material that resists the flow of electricity

• D. A path for electrical current

In electrical terms, what is current?

• A. The resistance in a circuit

• B. The flow of electrons through a conductor

• C. The potential difference between two points

• D. The power used by a device

What is a conductor?

• A. A device that breaks circuits

• B. A material that blocks electrical flow

• C. A material that allows electrons to flow easily

• D. A safety device in circuits

What is a closed circuit?

• A. A broken electrical path

• B. A complete path for electrical current

• C. A circuit with too much resistance

• D. A circuit without a power source

What unit is used to measure electrical potential difference?

• A. Amp

• B. Watt

• C. Volt

What is a parallel circuit?

• A circuit with components connected end to end

• A circuit with multiple paths for current flow

• A circuit with a single path

• A circuit without a power source

What is the purpose of a switch in a circuit?

• To store energy

• To measure current

• To control current flow

• To resist current flow

What is an open circuit?

• A circuit with multiple paths

• A complete electrical path

• A broken electrical path

• A circuit with too much current