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Questions and Answers
What is the point where electrons enter an electrical circuit called?
What is the point where electrons enter an electrical circuit called?
Why should the starting and returning source terminals of electrons not be in the same polarity?
Why should the starting and returning source terminals of electrons not be in the same polarity?
In an electrical circuit, what is the exit point called where electrons leave the circuit?
In an electrical circuit, what is the exit point called where electrons leave the circuit?
What happens if you connect the same terminal (negative with negative) in an electrical circuit?
What happens if you connect the same terminal (negative with negative) in an electrical circuit?
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Which component of an electrical circuit consumes electrical energy?
Which component of an electrical circuit consumes electrical energy?
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What is the purpose of an electrical load in a circuit?
What is the purpose of an electrical load in a circuit?
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Study Notes
Electric Circuit Basics
- An electric circuit is a path in which electrons flow from a voltage or current source.
- A circuit should contain active and passive components.
Electron Flow
- Electrons always try to reach the source point with load or without load.
- The point where electrons enter an electrical circuit is called the "source" of electrons.
- The point where electrons leave an electrical circuit is called the "return" or "earth ground".
Polarity and Electron Flow
- Electron's starting source terminal and returning source terminal should not be in the same polarity.
- If electrons start from the negative terminal, then the returning terminal should be the positive terminal.
- Connecting the same terminal (negative with negative) prevents current flow.
Electrical Load
- An electrical load is a part of an electrical circuit where the circuit current path is between the source and return points.
- Example: electrical heater, where electrons start from the positive terminal, pass through the heater, and reach the negative terminal of the source.
- Load always consumes electrical energy and produces output in the form of heat energy, light, or mechanical energy.
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Description
Learn the essentials of electric circuits, including active and passive components, electron flow, sources, returns, and ground connections. Test your knowledge with this quiz!
