Mobile Electronics Quiz

16 Questions

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Electronics Quizzes & Trivia

Take this ultimate and interesting quiz on mobile electronics!


Questions and Answers
  • 1. 
    If you have a 4 ohm subwoofer with a 100 watt continuous power rating, what fuse rating should you use to protect the subwoofer from overload?
    • A. 

      None Of These Choices

    • B. 

      5 Amp Fuse

    • C. 

      2.5 Amp Fuse

    • D. 

      1 Amp Fuse

  • 2. 
    Which one of the following statements best describe a high pass filter?
    • A. 

      A Filter That Only Allows Frequencies Over 100 Hz To Be Passed

    • B. 

      A Filter That Only Allows Frequencies Under 10,000 Hz To Be Passed

    • C. 

      A Filter That Passes All Frequencies Above A Given Cutoff Frequency

    • D. 

      A Filter That Passes All Frequencies Below A Given Cutoff Frequency

  • 3. 
    Which of the following is true about a standard lead acid car battery?
    • A. 

      Converts Dc From The Alternator To Ac Voltage

    • B. 

      Contains Six Cells And Has A Nominal Voltage Of 2.11 Volts Per Cell When Fully Charged

    • C. 

      Contains Eight Cells And Has A Nominal Voltage Of 12 Volts Per Cell When Fully Charged

    • D. 

      It Is The Main Source Of Electrical Power While The Vehicle Is Being Driven

  • 4. 
    To avoid noise interference, how many inches would be best for audio signal wiring to be run from stock wiring or power wires?
    • A. 

      6

    • B. 

      3

    • C. 

      18

    • D. 

      12

  • 5. 
    • A. 

      A Ground Loop

    • B. 

      The Alternator Is Faulty

    • C. 

      A Weak 12 Volt Car Battery

    • D. 

      Poor Quality Loudspeakers

  • 6. 
    In a conventional loudspeaker, what is the purpose of the spider?
    • A. 

      To Keep The Cone Centered Over The Pole Piece

    • B. 

      Provide The Main Restoring Force For The Speaker

    • C. 

      All Of These Choices

    • D. 

      To Keep Dust And Dirt Out Of The Voice Coil Gap

  • 7. 
    A band pass loudspeaker enclosure can be designed to increase speaker efficiency, but at the expense of what?
    • A. 

      Higher Distortion

    • B. 

      Low End Frequency Response

    • C. 

      Sound Quality

    • D. 

      Lower Power Handling

  • 8. 
    The maximum allowable RF output power for a mobile cellular phone is how many watts?
    • A. 

      5

    • B. 

      15

    • C. 

      7.5

    • D. 

      3

  • 9. 
    A standard 12-15 ft. length of RG-58 coaxial cable will have a loss at cellular frequencies of how many dB?
    • A. 

      3

    • B. 

      0.5

    • C. 

      2

    • D. 

      1

  • 10. 
    The first spatial type sensor used in automotive security systems was what kind of sensor?
    • A. 

      Infrared Field Disturbance

    • B. 

      Radio Field Disturbance

    • C. 

      Ultrasonic

    • D. 

      None Of These Choices

  • 11. 
    • A. 

      Constant Pressure

    • B. 

      None Of These Choices

    • C. 

      Separate Air

    • D. 

      Double Loaded

  • 12. 
    • A. 

      Amps

    • B. 

      Farads

    • C. 

      Henries

    • D. 

      Cycles

  • 13. 
    • A. 

      Class B

    • B. 

      Class A

    • C. 

      Class D

    • D. 

      Class C

  • 14. 
    Full power can be achieved from high-current amplifiers by doing what?
    • A. 

      Running Amp In Mono Instead Of Stereo

    • B. 

      Increasing Ac Voltage To The Amp

    • C. 

      Lowering The Ohm Load

    • D. 

      Increasing Dc Voltage To The Amp

  • 15. 
    • A. 

      To Make The System Sound Better

    • B. 

      To Keep The Speakers From Blowing

    • C. 

      To Send The Correct Frequencies To The Correct Speakers

    • D. 

      To Make The Bass Louder

  • 16. 
    Of the following, which would most likely to cause NOISE in your stereo system?
    • A. 

      Speaker Wire Gauge Is Too Small

    • B. 

      Power Wire Gauge Is Too Small

    • C. 

      Running The Ground Wire More Than 12 Inches

    • D. 

      Running The Power Wire And Rca Cables On The Same Side Of The Car