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Questions and Answers
What is the definition of a closed circuit?
What is the definition of a closed circuit?
What occurs when a circuit is open?
What occurs when a circuit is open?
Which components are essential for a functional electrical circuit?
Which components are essential for a functional electrical circuit?
What does network topology refer to in electrical engineering?
What does network topology refer to in electrical engineering?
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What characterizes a short circuit?
What characterizes a short circuit?
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What does the potential (or voltage) in an electric network represent?
What does the potential (or voltage) in an electric network represent?
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Which component is NOT one of the three concepts upon which an electric circuit is based?
Which component is NOT one of the three concepts upon which an electric circuit is based?
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What is the role of a node in an electric circuit?
What is the role of a node in an electric circuit?
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What distinguishes an electric circuit from an electric network?
What distinguishes an electric circuit from an electric network?
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Which statement accurately describes current in an electric network?
Which statement accurately describes current in an electric network?
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Study Notes
Electrical Circuit
- An electrical circuit is a combination of interconnected networks providing one or more closed paths for electric current.
- A circuit is an unbroken loop of conductive material allowing continuous charge carrier flow.
- A "broken" circuit means conductive elements no longer form a complete path, preventing continuous charge flow.
- Any break anywhere in a circuit halts charge carrier flow throughout.
Closed and Open Circuits
- A closed circuit has a complete path for electrical flow.
- An open circuit has an incomplete or broken path, preventing electrical flow.
- A simple switch closes and opens an electrical circuit.
- A short circuit has an unintended shorter pathway with extremely low resistance.
- A circuit element with a resistance approaching infinity also prevents current flow.
Electrical Circuit Elements
- All electrical circuits require three basic elements:
- A source (e.g., battery or power supply) that provides energy.
- A conductor (e.g., wire) to carry electric charges from one point to another.
- A load (or resistance) where energy is extracted in the form of heat, light, motion, etc.
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Description
Test your knowledge on electrical circuits, including the definitions and differences between closed and open circuits. This quiz also covers key elements necessary for circuits and the impact of circuit integrity on electrical flow.
