Test Your Knowledge About Circuit Components! Hardest Trivia Quiz

100 Questions | Total Attempts: 52

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Test Your Knowledge About Circuit Components! Hardest Trivia Quiz

If you are looking to test your knowledge about circuit components, you are in luck as the quiz below is perfectly designed for it. An electronic circuit comprises various types of components, and the quiz below is perfect for testing just how much you know about them all. All the best as you tackle it and look up other quizzes like it!


Questions and Answers
  • 1. 
    In general we expect a circuit composed of common emitter NPN audio transistor amplifier stages to have _______ .
    • A. 

      Positive ground

    • B. 

      Negative ground

    • C. 

      Positive-negative ground

    • D. 

      None of the above

  • 2. 
    Which statement is true?
    • A. 

      When an SCR is triggered at its gate, the SCR keeps on conducting as long as the two other terminals are forward biased.

    • B. 

      The terminals of the battery can be switched

    • C. 

      A car battery can be charged once

    • D. 

      The voltage of a battery can be adjusted by short circuit

  • 3. 
    The TRIAC (Triode for Alternating Current) is virtually _______.
    • A. 

      Two diodes

    • B. 

      Two resistors in parallel

    • C. 

      Two positive wires in series

    • D. 

      Two SCRs (silicon controlled rectifiers) back to back

  • 4. 
    Although made obsolete with the invention of the diac, what non-solid state device is a good component to use in triggering SCRs (silicon controlled rectifier) and TRIACs?
    • A. 

      LED lamp

    • B. 

      Capacitors

    • C. 

      Neon lamp

    • D. 

      Crystal Transmitter

  • 5. 
    The closest semiconductor "equivalent" to a vacuum tube triode is ________.
    • A. 

      A field effect transistor

    • B. 

      Vacuum tubes

    • C. 

      Solid-state IC

    • D. 

      Capacitors

  • 6. 
    An important figure of merit for power amplifiers is its gain. A transistor will have its Beta while a triode will have its _______.
    • A. 

      Ce

    • B. 

      Au

    • C. 

      Te

    • D. 

      Mu

  • 7. 
    The important feature of an NPN common collector transistor is ______.
    • A. 

      Low transmit

    • B. 

      High input impedance

    • C. 

      High resistance

    • D. 

      All of the above

  • 8. 
    In order to emit light, an L.E.D (light emitting diode) must be _______.
    • A. 

      Forward biased

    • B. 

      Reverse biased

    • C. 

      Abstract cabrillo network biased

    • D. 

      No bias

  • 9. 
    The zener diode serves as a good simple voltage reference because it maintains a relatively constant voltage across it when _______.
    • A. 

      Forward biased

    • B. 

      No bias

    • C. 

      Reverse biased

    • D. 

      With bias

  • 10. 
    Large capacitors are used in Power supplies to smoothen the voltage output of bridge diode rectifiers by being wired _______ an inductor at the output of the rectifier.
    • A. 

      Parallel to

    • B. 

      Parallel there

    • C. 

      Series to

    • D. 

      No parallel

  • 11. 
    The 1N34A germanium diode is the component of choice when it comes to signal detection or demodulation of AM signals. Silicon diodes are not used for this because ______.
    • A. 

      Germanium is good for radio

    • B. 

      Silicon diodes are worst

    • C. 

      There is no filter if silicon diodes is used

    • D. 

      They generally have a higher barrier potential

  • 12. 
    A diode rectifier configuration which produces a full wave output and requires no center tap in the transformer secondary winding of a power transformer is _______.
    • A. 

      Bridge series output

    • B. 

      Diode transformer

    • C. 

      Bridge configuration

    • D. 

      A and B

  • 13. 
    What is a two terminal device that conducts current easier in only one direction?
    • A. 

      Diode

    • B. 

      Resistor

    • C. 

      Capacitor

    • D. 

      IC

  • 14. 
    When the polarity of voltage is incorrect, the diode acts as a very high resistance that does not allow conduction and is said to be in what condition?
    • A. 

      Reverse bias

    • B. 

      Abstract bias

    • C. 

      No bias

    • D. 

      Forward bias

  • 15. 
    What is the type of diode usually made of silicon material and intended for rectification purposes, i.e., converting an alternating current to direct current in DC power supplies?
    • A. 

      Germanium diode

    • B. 

      Silicon diode

    • C. 

      Rectifier diode

    • D. 

      Plastic diode

  • 16. 
    What is another rectifier device used primarily for demodulation or separating the audio signal from a modulated carrier wave?
    • A. 

      Signal rectifier

    • B. 

      Signal Crystal Diode

    • C. 

      Plastic resistor

    • D. 

      Germanium IC

  • 17. 
    When two or more diodes are connected in parallel to increase current handling capacity, what is the purpose of the resistor connected in series with each diode?
    • A. 

      To increase transmitter power

    • B. 

      To gain signal attentuation

    • C. 

      To improve and widen the receive capability of the transmitter

    • D. 

      To ensure that one diode doesn't carry most of the current

  • 18. 
    What is a p-n device which is like a rectifier diode except that it is usually intended to indicate flow of current, as a power ON indicator or condition of a circuit?
    • A. 

      CFL

    • B. 

      LED

    • C. 

      ITU

    • D. 

      NTC

  • 19. 
    Like a safety pin on a grenade, what device should always be shunted to a large high voltage electrolytic capacitor when handled by personnel in repairing equipment which has been energized?
    • A. 

      Resistor

    • B. 

      Capacitor

    • C. 

      Diode

    • D. 

      Antenna filter

  • 20. 
    What will happen to the resistance if the temperature of a resistor is increased?
    • A. 

      It will explode like a grenade

    • B. 

      Smoke will come out of the resistor

    • C. 

      The transmitter will be damaged

    • D. 

      It will change depending on the resistor's temperature coefficient

  • 21. 
    Which of the following is a reason not to use wire-wound resistors in an RF circuit?
    • A. 

      The circuit will be damage

    • B. 

      The resistor's inductance could make circuit performance unpredictable

    • C. 

      Stray RF waves will be produced

    • D. 

      None of the above

  • 22. 
    Which of the following describes a thermistor?
    • A. 

      A device having a specific change in resistance with temperature variations

    • B. 

      A device that will release a hot air in the general area of the device

    • C. 

      A resistor that will change cold to hot temperature

    • D. 

      A device is used to control temperature in a room

  • 23. 
    What is a resistor with a continuously adjustable resistance used for volume or brightness control?
    • A. 

      Potentiometer

    • B. 

      Adjust-o-meter

    • C. 

      Volume meter

    • D. 

      Wattmeter

  • 24. 
    What is an electronic component that resist the flow of current in a circuit used to provide bias or voltage drop?
    • A. 

      Thermistor

    • B. 

      Capacitor

    • C. 

      Resistor

    • D. 

      Capacitive Resistor

  • 25. 
    Which of the following components should be added to an existing resistor to increase the resistance?
    • A. 

      A resistor in series

    • B. 

      A resistor in parallel

    • C. 

      A capacitor in series; a resistor is tapped

    • D. 

      A capacitor in parallel with a resistor tapped