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# Magnetic Fields

## Invisible force created by charged, moving particles or solids with coordinated electron movement.

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.
• Video

## Boaz Almog "Levitates" a Superconductor

by CK-12 //basic
This video demonstrates how a superconductor can float over a magnetic rail. Covers some advanced topics: superconductivity, quantum levitation, quantum locking.
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• Video

## Magnetic Fields Produced by a Current-Carrying Wires - Overview

by CK-12 //basic
Overview
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• Video

## First Right-Hand Rule: Direction of Magnetic Fields and Currents - Overview

by CK-12 //basic
Overview
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• Video

## Magnetic Fields Produced by a Current-Carrying Wires - Example 1

by CK-12 //basic
Determining how the current or distance from the wire affects the strength of a magnetic field using the proportion B Î± I/r
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• Video

## First Right-Hand Rule: Direction of Magnetic Fields and Currents - Example 1

by CK-12 //basic
Determining the direction of the current and the magnetic field using the first right-hand rule
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1