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# Generators and Motors

## Electrical or kinetic energy can be generated using principles of magnetism.

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.

## Generators and Motors

by CK-12 //at grade

Students will learn how a generator (and thus motor) works. The lesson is on a conceptual basis and compliments the lesson on electromagnetic induction.

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## Electric Generators

by CK-12 //at grade

Discusses the construction and function of an electric generator. It also points out the relationship between maximum voltage and current compared to effective voltage and current for an AC generator.

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• Interactive Simulations

## Electric Motor

by CK-12 //at grade

Learn how magnetic forces acting on current-carrying wires can be used to drive an electric motor.

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• Simulation

## Generator

by CK-12 //at grade

Shows how magnets can create electricity.

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• Video

## Capacitor Energy Part II

by CK-12 //at grade

Explains why the handle of a generator/motor turns in same direction upon the release of energy from the capacitor.

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• Video

## How Electricity is Generated

by CK-12 //at grade

Explains how electricity is generated using Lenz's law.

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• Video

## The Insides of a Generator

by CK-12 //at grade

How a generator (and motor) work is explained here. Also provides a demonstration using a generator and oscilloscope.

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• Video

## Everyday Physics - Electric Generators

by CK-12 //at grade

Demonstrates the difference between direct current generators and alternating current generators.

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• Practice
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## Generators and Motors Practice

by CK-12 //at grade
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## Generators and Motors Quiz - PPB

by CK-12 //at grade

Understanding how a generator works and how to harness magnetic field energy to run a motor.

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## Electric Generators Quiz

by CK-12 //at grade

Reviews the different types of currents and problems involving the power of AC and DC generators.

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• Critical Thinking

## Generators and Motors Discussion Questions

by CK-12 //at grade

A list of student-submitted discussion questions for Generators and Motors.

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## Electric Generators

by CK-12 //at grade

This is an activity for students to complete after reading the Electric Generators Concept

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• Real World Application