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# Electromagnetism

## A magnet and a solenoid can be used to generate electric current.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Electromagnets

by CK-12 //at grade
Describes the function of electromagnets.
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6
• Interactive Simulations

## Doorbell

by CK-12 //at grade
Understand how magnetic fields generated by solenoid coils can be used to create an operating doorbell.
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0
• Interactive Simulations

## Telegraph

by CK-12 //at grade
Explore the concept of Morse Code and how signals are transfered over great distances by using telegraph machines based on electromagnets
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0
• Video

## Build An Electromagnet

by CK-12 //at grade
Explains how to create an electromagnet and demonstrates the magnetic effects it has.
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0

## Electromagnets Quiz

by CK-12 //at grade
Reviews the properties of electromagnets and problems involving the manipulation of electromagnets.
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0
• 0
• Real World Application

## Levitating Trains

by CK-12 //at grade
Explore the physics behind Maglev Trains.
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0
• Real World Application

## The Rail Gun

by CK-12 //at grade
Learn about the futuristic weapons of the present.
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0