# Current and Magnetism

## A wire carrying a current in a magnetic field feels a force due to the magnetic field it creates.

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.

## Current and Magnetism

Students will learn to analyze and solve problems involving current carrying wires in magnetic fields.
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• Interactive Simulations

## Telegraph

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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• Interactive Simulations

## Galvanometer

Understand how the magnetic field generated by loops of current-carrying wire is used to create measuring devices like voltmeters and ammeters.
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• Video

## Ring Launcher Two Wires Attracting

The attraction of two wires carrying current in the same direction is demonstrated using a ring launcher.
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• Video

## Force on a Current Carrying Wire in a Magnetic Field

Demonstrates and explains the force on a current carrying wire in a magnetic field.
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• 1
• Critical Thinking

## Current and Magnetism Discussion Questions

A list of student-submitted discussion questions for Current and Magnetism.
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• Study Guide