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CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 8th - 10th Standards
Build a soccer field through a little mathematical analysis. Individuals manipulate the dimensions of a soccer field as they drag points to new positions. The simulation shows the corresponding intercepts and area. As pupils explore the...
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CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 9th - 12th Standards
Determine whether the soccer field has the right area. Pupils create a virtual soccer field based upon constraints. They determine the equation that models the area and continue to investigate other potential areas.
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Curated OER

Linear Computational Circuitry

For Students 11th - Higher Ed
In this electrical worksheet, students draw a schematic design circuit board to grasp the understanding amplification in linear circuitry before answering a series of 35 open-ended questions pertaining to a variety of linear circuitry....
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Curated OER

Potentiometers

For Students 10th - 12th
In this potentiometer worksheet, learners design and construct a circuit and then mathematically analyze their work. They answer 18 questions about potentiometers and their function.
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Curated OER

Millman's Theorem

For Students 9th - Higher Ed
In this electrical circuit lesson, students will answer 9 open ended questions to mathematically analyze circuits for current and voltage. This online learning exercise provides diagrams for better understanding and reveals the answers.
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Curated OER

Precise Diode Circuits

For Students 10th - Higher Ed
In this electrical circuit activity, students construct a model of a diode circuit to demonstrate understanding. They analyze schematics and answer a series of 13 open-ended questions about diode circuits. This activity is printable and...
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Curated OER

Current Divider Circuits

For Students 10th - Higher Ed
In this circuits worksheet, students answer ten questions about current divider circuits, the resistance in them, the currents in resistors of parallel circuits and they design, build and mathematically analyze a circuit.  
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Curated OER

Series and Parallel AC circuits

For Students 10th - Higher Ed
In this AC circuits worksheet, students answer 75 questions about series and parallel circuits including building and analyzing their own circuit mathematically, interpreting schematics of AC circuits and finding total impedance of...
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Curated OER

Negative Feedback Op-Amp Circuits

For Students 10th - Higher Ed
In this electrical activity, students design and build a op-amp model to grasp the understanding of op-amp circuits before answering a series of 21 open-ended questions that include schematics. This activity is printable and there are...
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Curated OER

Series-Parallel DC Circuits Series and Parallel DC Circuits

For Students 10th - Higher Ed
In this electrical activity, students draw a schematic design and build a circuit board to grasp the understanding of series and parallel DC circuits before answering a series of 41 open-ended questions. Students interpret various...
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Curated OER

Time Constant Circuits

For Students 10th - 12th
In this time constant circuits activity, learners answer 23 questions about the design of circuits that need time delays, about capacitors and inductors, and about resistors and the design of circuits.
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Curated OER

Clipper and Clamper Circuits Clipper and Clamper Circuits

For Students 10th - Higher Ed
In this electrical worksheet, students design and build a circuit board to grasp the understanding of circuit design including clipper and clamper circuits and  before answering a series of 21 open-ended questions that include...
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Curated OER

Zener diodes

For Students 10th - 12th
In this Zener diode learning exercise, student answers 23 questions about DC current though a zener diode and determine the voltage regulated and resisted. Students can access answers online.
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Curated OER

Special Diodes

For Students 10th - Higher Ed
In this electrical circuit worksheet, students draw a schematic design and build a circuit board to grasp the understanding of diodes. Students answer a series of 8 open-ended questions. This worksheet is printable and there are on-line...
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Curated OER

Class A: BJT Amplifiers

For Students 10th - Higher Ed
Within this electrical circuit worksheet, students draw a schematic design and build a transmitter to grasp the understanding of bipolar junction amplifiers before answering a series of 62 open-ended questions in which they will...
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Curated OER

Class B BJT Amplifiers

For Students 10th - Higher Ed
In this electrical circuit instructional activity, students draw a schematic design and build a transmitter to grasp the understanding of bipolar junction transmitters before answering a series of 12 open-ended questions by analyzing...
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Curated OER

JFET amplifiers

For Students 9th - 11th
For this worksheet, students answer 15 questions as they build and analyze circuits.  Students may check answers if working online.
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Curated OER

Insulate Gate Field-Effect Transistors

For Students 10th - Higher Ed
In this electrical circuit worksheet, students draw a schematic design and build a circuit board to grasp the understanding of insulated gate field effect transistors before answering a series of 39 open-ended questions that include...
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Curated OER

IGFET amplifiers

For Students 9th - Higher Ed
In this electronics worksheet, students draw a schematic design and build a circuit board to grasp the understanding of IGFET amplifiers before answering a series of 2 open-ended questions with schematics. This worksheet is printable and...
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Curated OER

Oscillator Circuits

For Students 10th - 12th
For this oscillator circuits worksheet, students answer 49 questions about different types of oscillator circuits. They find the operating frequency of circuits, they identify the functions of specific sections of circuits and they write...
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Curated OER

Power Conversion Circuits

For Students 9th - Higher Ed
In this electrical worksheet, students draw a schematic design and build a circuit board to grasp the understanding of power conversion circuits before answering a series of 30 open-ended questions including analyzing schematics. This...
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Curated OER

AC Negative Feedback Op-amp Circuits

For Students 10th - Higher Ed
In this electrical circuit worksheet, students draw a schematic design and build a op-amp model to show understanding of AC-negative feedback op-amp circuits before answering a series of 14 open-ended questions with schematics. This...
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Curated OER

Op-amp Oscillator Circuits

For Students 9th - 12th
In this electrical worksheet, students draw a schematic design and build a Op-amp model to grasp the understanding of oscillator circuits before answering a series of 16 open-ended questions. Students analyze schematics in order to...
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Curated OER

Active Filters

For Students 1st
In this electrical worksheet, 1st graders design and build a circuit model to grasp the understanding of filters in circuits pertaining to impedance and cut-off frequency. They answer a series of 31 open-ended questions that include...