Electronics

10 Questions

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Electronics Quizzes & Trivia

Questions and Answers
  • 1. 
    What does LDR stand for
    • A. 

      Light dependant resistor

    • B. 

      Long dependant resistor

    • C. 

      Light dependant radio

    • D. 

      Light dispenser resistor

  • 2. 
    Which of the following is an example of a transducer?
    • A. 

      Video tape

    • B. 

      Globe

    • C. 

      Microphone

    • D. 

      Battery

    • E. 

      None of the above

  • 3. 
    What is the process used to connect components to our circuit boards
    • A. 

      Welding

    • B. 

      Soldering

    • C. 

      Gluing

  • 4. 
    A transducer that changes light energy into electricity is a:
    • A. 

      Microphone

    • B. 

      Photocell

    • C. 

      Electric motor

    • D. 

      Loudspeaker

    • E. 

      Noneof the above

  • 5. 
    A microphone converts the kinetic energy of vibrating air into:
    • A. 

      Chemical energy

    • B. 

      Electrical energy

    • C. 

      Potential energy

    • D. 

      Sound energy

    • E. 

      None of the above

  • 6. 
    The main difference of a MOSFET from a JFET is that
    • A. 

      A. JFET has PN junction

    • B. 

      B. of the power rating

    • C. 

      C. MOSFETS has two gates

    • D. 

      D. MOSFETs do not have physical channel

  • 7. 
    The loop gain in a phase shift oscillator must be_______degrees.
    • A. 

      A. 45

    • B. 

      B. 90

    • C. 

      C. 180

    • D. 

      D. 360

  • 8. 
    What type of switch is an emergency stop
    • A. 

      PTM (push to make)

    • B. 

      PTB (push to break)

    • C. 

      Rocker switch

    • D. 

      Slider switch

  • 9. 
    Does it matter which way we solder the resistor into the circuit
    • A. 

      Yes

    • B. 

      No

  • 10. 
    Which of these are soldering safety rules
    • A. 

      Wear goggles

    • B. 

      Do Breathe fumes in

    • C. 

      Touch the hot element with your hands

    • D. 

      Wear an apron