Electrical systems and control - circuits

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulate electricity

What is a circuit that only has ONE path for electricity to flow?

• series circuit

• closed circuit

• parallel circuit

• light bulb

What is a circuit with several paths for electricity to flow?

• conductor

• series circuit

• parallel circuit

• open circuit

This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -

• the switch gives energy to the battery
• the buzzer is made of special plastic
• the wires are cooled by the surrounding air
• electricity can flow in a complete path

What are the 3 basic components of a circuit?

• Energy source, Load, Energy Pathway

• Battery, Energy source, Energy Pathway

• Battery, Wire, Energy Pathway

• ALL of them

What type of circuit is shown?

• Parallel

• Series

• Open

this is the symbol for a _____?

• switch
• light 
• battery
• wires

A resistor is a device that controls current in electric circuits.

• True
• False

What is this symbol for?

• light bulb
• switch
• battery
• resistor

A continuous flow of electricity is called_____________

• series
• circuit
• static
• current