Electromagnetism Quiz

What happens when an electric current flows through a wire?

• The wire begins to spin.

• Nothing happens.

• A field of gravity is created around the wire.

• A magnetic field is created around the wire.

Tags

NGSS.MS-PS2-5

The south ends of two magnets will _________ each other.

• repel

• attract

Tags

NGSS.MS-PS2-3

What does this image show?

• Parallel circuit

• Series circuit

• Magnet

• Electromagnet

Tags

NGSS.MS-PS2-3

The area of magnetic force around a magnet is known as its ____________.

• magnetism

• magnetic current

• magnetic field

• electric current

Tags

NGSS.MS-PS2-5

How do you increase the strength of an electromagnet?

• Add a motor and/or light bulbs

• Add more light bulbs and wire coils

• Add more wire coils

• Decrease the voltage

What is the difference between a magnet and an electromagnet?

• An electromagnet can be turned on/off.

• A magnet can be turned off.

• An electromagnet is weaker.

A _____________ transforms mechanical energy into electrical energy.

• generator

• electromagnet

• solenoid

• motor

Increasing the number of coils in an electromagnet will _________ the power of the magnet.

• decrease

• increase

• not affect

If you wrap more coils around an electromagnet, it will become...

• hot

• stronger
• weaker
• non-magnetic

The relationship between electricity and magnetism is called

• solenoid

• transformer

• electromagnetism

• electromagnet

Tags

NGSS.MS-PS2-5