Electronics Trivia

14 Questions

Settings
Please wait...
Electronics Quizzes & Trivia

This test will see how smart you are in electronics, some of these questions are easy, but watch out some are very tricky.


Questions and Answers
  • 1. 
    • A. 

      A Combination Of Resistance And Reactance, Expressed In Ohms

    • B. 

      Dc Resistance Of A Speaker Voice Coil

    • C. 

      All Of These Choices

    • D. 

      The Square Root Of The Voice Coil Resistance

  • 2. 
    • A. 

      220 Ohms, 10%

    • B. 

      2.2k Ohms, 5%

    • C. 

      2k Ohms, 10%

    • D. 

      22 Ohms, 5%

  • 3. 
    • A. 

      Current

    • B. 

      Volt

    • C. 

      Ampere

    • D. 

      Watt

  • 4. 
    Two resistors are wired in parallel. Which of the following statements is true?
    • A. 

      The Total Resistance Will Be Less Than The Sum Of The Two

    • B. 

      The Total Resistance Will Be The Difference Between The Two Resistors

    • C. 

      The Total Resistance Will Be The Sum Of Both Resistors

    • D. 

      The Total Resistance Will Be Greater Than The Sum Of The Two

  • 5. 
    Name the three leads of a field effect transistor (FET)?
    • A. 

      Source, Gate, And Drain

    • B. 

      Emitter, Collector, And Base

    • C. 

      Cathode, Plate, And Anode

    • D. 

      Source, Gate, And Base

  • 6. 
    • A. 

      Rectifier Diode

    • B. 

      Triac

    • C. 

      Choke

    • D. 

      None Of These Choices

  • 7. 
    A capacitor is best described by which one of the following statements?
    • A. 

      A Device That Store Electrical Energy And Blocks The Flow Of Dc

    • B. 

      A Single Electrode Device That Amplifies Current

    • C. 

      A Component That Is Used To Provide A Definite Amount Of Resistance

    • D. 

      A Device That Stores Electrical Energy And Blocks The Flow Of Ac

  • 8. 
    The electron flow in a circuit passes through a NPN transistor from _________ to ___________?
    • A. 

      Emitter, Collector

    • B. 

      Emitter, Base

    • C. 

      Base, Emitter

    • D. 

      Collector, Base

  • 9. 
    • A. 

      The Scr Is A Switching Device, While The Triac Is An Amplifying Device

    • B. 

      The Scr Is Made If Silicon And The Triac Is Not

    • C. 

      All Of These Choices

    • D. 

      The Scr Can Be Triggered In Only One Direction, While The Triac Can Be Switched On In Either Direction

  • 10. 
    • A. 

      A Momentary Pulse Of Gate Current Switches Them On

    • B. 

      They Are Less Expensive Than Transistors

    • C. 

      They Switch Faster Than Transistors

    • D. 

      They Are The Only High Power Semiconductors Available

  • 11. 
    In a basic transistor circuit, what is the most significant factor in determining if a transistor performs as a switch or as an amplifier?
    • A. 

      All Of These Choices

    • B. 

      The Transistor Package Style

    • C. 

      The Control Circuit

    • D. 

      Transistor Type

  • 12. 
    • A. 

      Pnps Switch Slower And Are Generally More Expensive Than Npns

    • B. 

      Pnps Are Only Used In Digital Circuits

    • C. 

      Pnps Are Newer, So They Have To Catch Up

    • D. 

      The Function Of A Pnp Isn't As Useful As A Npn

  • 13. 
    A P-channel enhancement type MOSFET performs much the same function as a PNP transistor. What is the main difference?
    • A. 

      A Mosfet Switches Much Faster

    • B. 

      A Mosfet Is Considerably Larger

    • C. 

      A Mosfet Is Controlled By Voltage Rather Than Current

    • D. 

      A Mosfet Regulates Current, But Is Non-Switching

  • 14. 
    • A. 

      All Of These Choices

    • B. 

      The Current In The Output Circuit Is Greater Than The Current In The Input Circuit

    • C. 

      Because The Collector Collects Electrons

    • D. 

      The Voltage At The Emitter Is Greater Than The Voltage At The Base