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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

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

## Flashlight

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

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

Shows how a light bulb lights up and how a fuse protects a circuit.
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## Controlling Current in Electric Circuits Quiz

Reviews the design and use of fuses and circuit breakers.
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• Real World Application

## Circuit Breakers

Learn how circuit breakers protect your house.
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• Real World Application