Electrical #1-2

What is resistance?

• The flow of electrons

• Electrical pressure (psi)

• Opposition to the flow of electrons

• Rate at which energy is transferred

What is voltage?

• The flow of electrons (volume)

• Electrical pressure (psi)

• Opposition to t he flow of electrons

• Rate at which energy is transferred

What is current?

• The flow of electrons (volume)

• Electrical pressure (psi)

• Opposition to the flow of electrons

• Rate at which energy is transferred

White wires are __________.

• Ground

• Hot

• Neutral

• Positive

Black wires are __________.

• Ground

• Hot

• Neutral

• Positive

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulates electricity

Which of the following materials is an electrical conductor?

• Plastic spoon

• Silver-colored plastic spoon

• Copper spoon

• Wooden spoon

A material that does not let electricity pass through it is called?

• An electrical conductor

• An electrical insulator

• An electrical source

• An electrical appliance

Why is electrical wiring usually covered with a layer of plastic?

• To make it aesthetically pleasing

• To protect from electrical conduction

• To help electricity flow along the wire

• To add more energy

What gauge of wire is typically used for 15 amp or 20 amp circuits?

• 6 AWG

• 10 AWG

• 12 AWG

• 14 AWG