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# Controlling Current in Electric Circuits

## The amount of electric current passing through a circuit depends on the voltage pushing the current and the resistance opposing the 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.

## Controlling Current in Electric Circuits

by CK-12 //at grade

Covers devices that are used to control the current in an electrical circuit.

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• Interactive Simulations

## Flashlight

by CK-12 //at grade

Learn about electric circuits, the flow of current, electrical resistance, and electrical power dissipation by exploring the operation of a flashlight.

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• Interactive Simulations

## Electric Analogies

by CK-12 //at grade

Explore a different way of thinking about electricity as a way to become familiar with the concept of potential, current, and resistance

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• Video

## How Light Bulbs and Fuses Work

by CK-12 //at grade

Shows how a light bulb lights up and how a fuse protects a circuit.

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## Controlling Current in Electric Circuits Quiz

by CK-12 //at grade

Reviews the design and use of fuses and circuit breakers.

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## Controlling Current in Electric Circuits

by CK-12 //at grade

This is an activity for students to complete after reading the Controlling Current in Electric Circuits Concept

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• Real World Application

## Circuit Breakers

by CK-12 //at grade

Learn how circuit breakers protect your house.

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• Real World Application

## Lights in Series

by CK-12 //at grade

Discover the relationship between voltage and current in a series circuit.

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