Mechatronics 1.2: Conductors, Insulators, and Electron Flow

What are materials with high electron mobility called?

• Conductors

• Superconductors

• Insulators

• Semiconductors

Which of the following is a good conductor of electricity?

• Quartz

• Rubber

• Copper

• Glass

What is the best conductor in the 'conductors' list?

• Iron

• Aluminum

• Silver

• Gold

What is the speed of light in miles per second?

• 186,000

• 150,000

• 200,000

• 250,000

What is the term for the uniform motion of electrons through a conductor?

• Electric current

• Electron flow

• Dynamic electricity

• Static electricity

What happens to the flow of electrons if the conductive path formed by the wire is broken?

• The flow reverses

• The flow continues

• The flow increases

• The flow stops

What is the condition of electrical continuity when the wire is in one piece?

• Disrupted

• Continuous

• Broken

• Interrupted

What is the term for the accumulated charge formed by either an excess or deficiency of electrons in an object?

• Static electricity

• Electron flow

• Dynamic electricity

• Electric current

What happens to the broken segment of wire if a new segment of wire is connected to it?

• It becomes a superconductor

• It heats up

• It becomes an insulator

• Electrons flow through it

What is the term for the friction-generated heat in a conductor as electrons move?

• Electrical continuity

• Static electricity

• Dynamic electricity

• Joule heating