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Unit: DC Circuits

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Possible mastery points

Electric current, resistivity, and Ohm's law

Learn
Introduction to circuits and Ohm's law
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Resistivity and conductivity
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Current, resistance, and resistivity review
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Electric potential difference and Ohm's law review
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Practice
Calculating resistance, voltage, and current using Ohm's lawGet 3 of 4 questions to level up!

Electric power and DC circuits

Learn
Electric power
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DC Circuit and electrical power review
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Practice
Characteristics of circuit diagramsGet 5 of 7 questions to level up!
Calculations from circuit diagramsGet 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 300 Mastery points

Series and parallel resistors

Learn
Series resistors
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Parallel resistors (part 1)
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Parallel resistors (part 3)
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Resistors in series and parallel review
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Practice
Calculating equivalent resistance for series and parallel resistorsGet 3 of 4 questions to level up!

DC Ammeters and voltmeters

Learn
Voltmeters and Ammeters
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DC Ammeters and voltmeters review
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Practice
Using voltmeters and ammeters to measure potential difference and currentGet 3 of 4 questions to level up!

Discovery of resistors

Learn
Series load
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Pencil resistor
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Variable resistor (pencil)
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Listen to variable resistance
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Explore electric motors

Learn
Spinning compass
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Build your own motor
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Quiz 2

Level up on the above skills and collect up to 200 Mastery points
Up next for you:

Unit test

Level up on all the skills in this unit and collect up to 500 Mastery points!

About this unit

In this unit, you'll learn about the physics behind the electronic devices we use.