Electricity and Magnetism

Which of these in an insulator?

• a copper wire
• a silver spoon
• a plastic coating on a wire
• an aluminum coating on a wire

Electric current flowing through a wire produces

• static electricity
• an open circuit
• a permanent magnet
• a magnetic field

All of these are examples of conductors except...

• wooden ruler

• paper clip

• metal key

• copper penny

These magnets will...

• attract

• repel

• nothing will happen

What is a wire in a circuit wrapped around an iron core called?

• electromagnet
• generator
• electric motor

What is a complete path through which electric charges can flow called?

• magnetic pole
• electric circuit 
• electric resistance
• magnetic field 

What is the region of force around a magnet known as?

• magnetic field
• magnetic pole
• magnetic domain 
• lodestone

In a magnet the opposite poles will ___________.

• attract

• repel

The magnetic field of a magnet is ____________ further away from the magnet.

• stronger

• weaker

Magnets have a north and a south ___________

• shape
• color
• pole
• region