GT Unit 3: Electricity & Noncontact Forces Vocabulary Quiz

What is the fundamental force that attracts or repels certain materials, typically metals, due to the motion of electric charges within atoms?

• attraction
• magnetism
• repulsion
• gravity

Which type of magnet retains its magnetic properties and can produce a magnetic field without external influence?

• permanent magnet
• electromagnet
• ohm
• amperage

What do you call a magnet that generates a magnetic field when an electric current flows through a coil of wire and can be turned on and off?

• permanent magnet
• electromagnet
• Ohms
• amperage

The region around a magnet or a current-carrying conductor where magnetic forces are exerted is known as what?

• electric field
• open field
• magnetic field
• closed field

In a magnetic context, what term refers to the force that pulls magnetic materials toward each other?

• repulsion
• insulator
• conductor
• attraction

What is the term for the force that makes like magnetic poles (north-north or south-south) push away from each other?

• repulsion
• insulator
• conductor
• attraction

What is the fundamental force of attraction that exists between all objects with mass?

• force
• gravity
• attraction
• motion

A material that allows electric current to flow easily through it due to the presence of mobile electric charges is called what?

• solid
• fabric
• insulator
• conductor

What type of material does not allow electric current to flow easily through it and is used to block the flow of electricity?

• liquid
• insulator
• conductor
• aluminum

What is the rate at which electrons move in an electric circuit?

• current
• Ohm
• amperage
• resistance