Active vs Passive Components Quiz
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Questions and Answers

What is a primary characteristic that distinguishes active components from passive components?

  • Passive components can control current flow.
  • Passive components can generate electric energy.
  • Active components can only accept energy.
  • Active components require an external source for operation. (correct)

Which of the following is an example of an active component?

  • Capacitor
  • Transistor (correct)
  • Inductor
  • Resistor

How do active components contribute to a circuit compared to passive components?

  • Active components can only act as loads.
  • Active components do not require energy to operate.
  • Active components help maintain a constant voltage.
  • Active components provide power gain. (correct)

What is true about the VA characteristic curve of an active component?

<p>It has a negative slope. (B)</p> Signup and view all the answers

What defines passive components in a circuit?

<p>They utilize power or energy without an external source. (D)</p> Signup and view all the answers

Flashcards

Active Components

Components that generate or control electric energy. They require external power and act as energy donors in a circuit.

Passive Components

Components that consume or utilize power in a circuit. They don't require external power and act as loads.

Examples of Active Components

Transistors, diodes, integrated circuits, solar cells, and silicon controlled rectifiers (SCRs) are examples of active components. They control and amplify electrical signals.

Examples of Passive Components

Resistors, capacitors, inductors, transformers, photodetectors, seven-segment displays, variable resistors, semiconductor devices, and gas-filled devices are examples of passive components. They resist, store, or modify electrical energy.

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VA Characteristic Curve Slope

The VA characteristic curve of an active component has a negative slope, while that of a passive component has a positive slope. This reflects the energy flow direction.

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Study Notes

Active Components

  • Active components are capable of generating or controlling electric energy.
  • They differ from passive components by their ability to provide power gain.
  • They require an external source for operation.
  • Active components act as energy donors and sources of power in a circuit.
  • The slope of a voltage and current (VA) characteristic curve of an active element is negative.
  • They can control current flow, acting as the source of current flow in a circuit.
  • Examples of active components include:
    • Transistors
    • Diodes
    • Integrated circuits
    • Solar cells
    • Silicon controlled rectifiers

Passive Components

  • Passive components utilize power or energy in a circuit.
  • They require no external source for operation.
  • They are energy acceptors and act as a load in a circuit.
  • The slope of a VA characteristic curve of a passive element is positive.
  • Passive components cannot control current flow in a circuit.
  • Some examples of passive components include:
    • Resistors
    • Capacitors
    • Inductors
    • Transformers
    • Photodetectors
    • Seven-segment displays
    • Variable resistors
    • Semiconductor devices
    • Gas-filled devices

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Description

Test your knowledge on the differences between active and passive electronic components. This quiz covers the definitions, examples, and characteristics of both types of components, providing insight into their roles in electrical circuits.

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