Electromagnet

a magnet created by wrapping a current-carrying wire around a ferromagnetic core.

• electromagnet

• electric motor

• generator

• direct current

Tags

NGSS.MS-PS2-3

the interaction between electric charges and magnets

• current

• voltage

• electromagnetism

• alternating current

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

According to the diagram, which source has the waves with the greatest frequency?

• Gamma ray

• Radio

• X-ray

• Visible

What is the primary component needed to create an electromagnet?

• Copper wire

• Plastic rod

• Glass tube

• Rubber band

Which of the following materials is commonly used as the core of an electromagnet?

• Wood

• Iron

• Plastic

• Glass

What happens to the strength of an electromagnet if the current flowing through the coil is increased?

• It decreases

• It remains the same

• It increases

• It fluctuates

Tags

NGSS.MS-PS2-3

Which of the following is a real-world application of electromagnets?

• Refrigerator magnets

• Electric bell

• Solar panel

• Wind turbine

Tags

NGSS.MS-PS2-3

In an electromagnet, what role does the coil of wire play?

• It acts as a resistor

• It generates a magnetic field

• It conducts heat

• It stores energy

What is the effect of increasing the number of turns in the coil of an electromagnet?

• Decreases the magnetic field

• Increases the magnetic field

• No effect on the magnetic field

• Reverses the magnetic field

Tags

NGSS.HS-PS2-5

Which of the following devices uses an electromagnet to function?

• Light bulb

• Electric fan

• Doorbell

• Bicycle

Tags

NGSS.MS-PS2-3