Motor, Generator, Transformer

How are electromagnets different from magnets?

• magnets can be turned on/off
• you can turn an electromagnet on/off
• magnets are more powerful
• magnets have a North and South pole

An electric motor changes electrical energy to _________ energy.

• mechanical

• chemical

• potential

• electrical

What is the device seen here?

• generator
• electric motor
• electromagnet
• magnet

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical
• mechanical; electrical
• electrical; mechanical
• potential; kinetic

What type of device is being shown?

• Electromagnet

• Electric motor

• Electric generator

• Electromagnetic Induction

What is a possible power source of a motor?

• Fan

• Crank

• Battery

• Moving water

What is a possible power source of a generator?

• Fan

• Plug

• Battery

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

What energy do you put IN to a generator?

• Mechanical
• Electrical
• Thermal
• Potential

A coil of wire that produces a magnetic field when carrying an electric current

• electromagnet

• solenoid

• galvanometer

• commutator