Electronic Devices and Circuits Quiz 2023
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Questions and Answers

What is the purpose of a diode in an electronic circuit?

  • To regulate the voltage
  • To amplify the input signal
  • To allow current to flow in one direction only (correct)
  • To store electrical charge
  • Which component is used to store electrical charge in an electronic circuit?

  • Resistor
  • Transistor
  • Capacitor (correct)
  • Inductor
  • What is the function of a transistor in an electronic device?

  • To provide a stable reference voltage
  • To convert AC to DC
  • To regulate the current flow
  • To amplify or switch electronic signals (correct)
  • Which of the following is a common application of a Schmitt trigger?

    <p>Signal conditioning</p> Signup and view all the answers

    What is the primary function of an operational amplifier in electronic circuits?

    <p>Signal amplification</p> Signup and view all the answers

    In digital electronics, what does the term 'hysteresis' refer to in the context of a logic gate?

    <p>The range of input voltage for which the output remains stable</p> Signup and view all the answers

    Study Notes

    Electronic Components and Their Functions

    • A diode allows current to flow in one direction but blocks it in the other direction, controlling the flow of electrical current in a circuit.

    Capacitor Function

    • A capacitor is used to store electrical charge in an electronic circuit, filtering or regulating voltage.

    Transistor Function

    • A transistor acts as a switch or amplifier, controlling the flow of electrical current and amplifying weak electrical signals in an electronic device.

    Schmitt Trigger Application

    • A Schmitt trigger is commonly used in debouncing circuits, ensuring a clean transition between on and off states by eliminating electrical noise.

    Operational Amplifier Function

    • The primary function of an operational amplifier in electronic circuits is to amplify weak electrical signals, performing mathematical operations and providing high impedance.

    Hysteresis in Digital Electronics

    • In digital electronics, hysteresis refers to the difference in input voltage levels that trigger the switching of a logic gate, providing noise immunity and preventing unwanted switching.

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    Description

    Test your knowledge of electronic devices and circuits with this question paper for 2023. Answer questions about the purpose of a diode, the component used to store electrical charge, and the function of a transistor in electronic circuits. Sharpen your understanding of these fundamental components and their roles in electronic devices.

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