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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.

## Magnetic Fields

Students will learn the idea of magnetic field lines, how they behave in the situation of permanent magnets and current carrying wires and also how to calculate the magnetic field at an arbitrary distance from the wire.

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## Unit 14.1 Magnetic Fields

Students will learn the idea of magnetic field lines, how they behave in the situation of permanent magnets and current carrying wires and also how to calculate the magnetic field at an arbitrary distance from the wire.

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• Interactive Simulations

## Field Lines

Understand the size and shape of the Earth's magnetic fields; explore the magnetic fields of other planets.

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• Simulation

## Magnet and Compass

Shows how bar magnets work with respect to Earth.

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• 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 Field from Electrical Current

Demonstrates that a magnetic field is produced by electric current.

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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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• Practice
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## Magnetic Fields Quiz - PPB

This quiz tests general magnet knowledge, including drawing magnetic fields according to the poles of the magnet and calculating the magnetic field at a given distance away.

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• Critical Thinking

## Magnetic Fields Discussion Questions

A list of student-submitted discussion questions for Magnetic Fields.

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• Real World Application

## Will it stick?

Are dollars or coins magnetic?

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• Study Guide

## Magnetism Study Guide

This study guide reviews electromagnetism concepts: magnetic field and field lines, first right hand rule, magnetic flux, solenoid, electromagnetic induction, force on charged particle, second right hand rule, and inductance.

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• Flashcards

## Magnetic Fields Flashcards

by CK-12 //basic

These flashcards help you study important terms and vocabulary from Magnetic Fields.

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