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Objective: To understand the concept of electric potential and to use the concept to predict which bulbs light in a complex circuit and to identify the electric potential value at various locations in a circuit.

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Know Your Potential

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Color Those Wires 4 Questions Using a ROYGB color-coding scheme to represent electric potential.

Pick from among the three activities -  Color Those Wires, Which Bulbs Light?, Volt On It!.

Which Bulbs Light? Completed

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Which Bulbs Light? 4 Questions Analyzing the electric potential across each bulb to determine which one(s) light.

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Volt On It! Completed

Volt On It! 4 Questions Determine the electric potential value of each wire in the circuit. Use Delta V = I*R.

Color Those Wires! Completed

Dataway! You have answered correctly. Click the Continue button to continue working on this Skill Building activity.

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You have done it! You have successfully analyzed each of the situations. You are the Force Wizard.

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Check Answer

This is the 1st of 4 Circuits in Color Those Wires.

Select a color from the ROYGB palette. Tap on a wire to color it. Use the Check Answer button once all wires have been colored.

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Activity:

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Tip:  Color the high V wire Red; then color the low V wire Blue. Then color remaining wires.

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Color Those Wires

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Tap for Question-Specific Help

This is the 2nd of 4 Circuits in Color Those Wires.

This is the 3rd of 4 Circuits in Color Those Wires.

This is the 4th of 4 Circuits in Color Those Wires.

Color Those Wires has been completed.

Congratulations! You have successfully completed Color Those Wires!

If you return to the Main Menu, then you will lose all your progress  on this Which Bulbs Light? activity. Are you sure you want to return to the Main Menu?

Use the ROYGB color palette to color all the wires. Then tap on any bulb that would light. Once done, tap the Check Answer button.

Note:  Tapping on a bulb toggles it on and off.

Which Bulbs Light?

This is the 1st of 4 Circuits in Which Bulbs Light?

This is the 2nd of 4 Circuits in Which Bulbs Light?

This is the 3rd of 4 Circuits in Which Bulbs Light?

This is the 4th of 4 Circuits in Which Bulbs Light?

Congratulations! You have successfully completed Which Bulbs Light!

Which Bulbs Light? has been completed.

Volt On It!

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Once done, tap the Enter button.

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24 V

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2.0 A, 3.0 Ω

List the electric potential (in V) at the 4 locations:

Use the Number Pad to enter the value of ...

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2.0 A, 5.0 Ω

This is the 1st of 4 Circuits in Volt On It.

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2.0 A, 4.0 Ω

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The I and R values are given. Use them to determine the electric potential (in volts) at the four indicated positions. If desired, begin by using the ROYGB palette to color code the wires.

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36 V

This is the 2nd of 4 Circuits in Volt On It.

2.0 A, 6.0 Ω

2.0 A, 8.0 Ω

List the electric potential (in V) at the 6 locations:

6.0 A, 2.0 Ω

4.0 A, 2.0 Ω

4.0 A, 2.0 Ω

This is the 3rd of 4 Circuits in Volt On It!

2.0 A, 8.0 Ω

40 V

2.5 A, 4.0 Ω

This is the 4th of 4 Circuits in Volt On It!

0.5 A, 6.0 Ω

2.0 A, 2.0 Ω

0.5 A, 2.0 Ω

Volt On It! has been completed.

Congratulations! You have successfully completed Volt On It!