Electromagnet Summary

A type of magnet that has temporary magnetic effect when electric current flows through it.

This refer to

• Electric

• Electronic

• Electrostatic

• Electromagnet

Magnetic field near to the wire is stronger.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Diagram shows magnetic field around

• Straight wire

• Coil

• Solenoid

Tags

NGSS.MS-PS2-3

Magnetic field in the middle of two coils is

• Stronger

• Weaker

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of these is a way to make an electromagnet stronger?​ ​ ​ ​ (a)  

• wrapping the wire around the iron core more

• putting a switch in the electrical circuit

• replacing the copper wire with plastic wire

• replacing the iron core with a copper core

Tags

NGSS.MS-ETS1-2

NGSS.MS-PS2-3

Label the parts of the electromagnet.

a

b

c

d

power source

nail

coil

wire

When more current flows in solenoid, strength of magnetic field ...

• Decrease

• Increase

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Thumb shows the direction of

• Magnetic field

• Current

Tags

NGSS.HS-PS2-5

Diagram shows meyhod to determine magnetic pole around a

• Straight wire

• Coil

• Solenoid

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How does the electromagnet in the diagram above demonstrate the relationship between magnetism and electricity?

• The wire is wrapped around the iron core, but no electric circuit is present.

• The wire is wrapped around the iron core, but no energy source is present.

• The wire in the electric circuit is wrapped around an iron core producing a magnetic field.

• No circuit is present.

Tags

NGSS.MS-PS2-3