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Ohm's Law

When electricity passes through a resistor it loses voltage and releases power.

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.

Ohm's Law

Students will learn a basic understanding of electric circuits and how to apply Ohm's law.

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Resistance and Ohm's Law

Discusses resistance and the use of Ohm’s Law in circuit calculations.

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• Simulation

Ohm's Law

Shows how the equation form of Ohm's law relates to a simple circuit.

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• Video

Ohm's Law and Why Birds Don't Die

An interesting explanation is made to why some animals die on high voltage wires and others do not.

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• Video

Light Bulbs Part I

A light bulb is used as an example to explain current traveling through resistor circuits.

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• Video

High School Physics - Ohm's Law

Introduces Ohm's law and how it relates potential difference, resistance, and current.

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• Practice
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Ohm's Law Quiz - PPB

Solve problems involving V = IR and predict the affect of resistance and voltage on the current.

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Resistance and Ohm's Law Quiz

Reviews the use of Ohm's law and the effects of increasing and decreasing resistance in a circuit.

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• Critical Thinking

Ohm's Law Discussion Questions

A list of student-submitted discussion questions for Ohm's Law.

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Resistance and Ohms Law

This is an activity for students to complete after reading the Resistance and Ohms Law Concept

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• Real World Application

Guess The Efficiency

Learn about the efficiency of a light bulb.

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• Real World Application

Batteries

How do batteries operate?

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• Study Guide

Electrical Systems Study Guide

This study guide is an overview of circuits and circuit diagrams. It discusses voltage, current, Ohm's law, loop rule, and junction rule and reviews how to solve resistors in series, resistors in parallel, capacitors in series, and capacitors in parallel.

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