5 Minute Tech Quiz

16 Questions | Total Attempts: 66

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Knowledge Quizzes & Trivia

Quiz Offers Chance to Explore Level 1 Basics Knowledge


Questions and Answers
  • 1. 
    An ion is an atom in which the number of electrons and the number of protons are not equal.
    • A. 

      A. True

    • B. 

      B. False

  • 2. 
    Microwaves travel in a straight line and require air as a medium.
    • A. 

      A. True

    • B. 

      B. False

  • 3. 
    Glass reflects but does not absorb microwave energy.
    • A. 

      A. True

    • B. 

      B. False

  • 4. 
    The formula to determine the value of a circuit with two parallel resistors is:
    • A. 

      A. R1+R2/R1*R2

    • B. 

      B. RT

    • C. 

      C. (R1*R2)2/R1+R2

    • D. 

      D. R1*R2/R1+R2

  • 5. 
    Voltage can be found by multiplying:
    • A. 

      A. Current * Resistance

    • B. 

      B. Watts * Amps

    • C. 

      C. Resistance * AWG

    • D. 

      D. Power * Current

  • 6. 
    UL requires that a foil pattern start at no more than _________ from the frame.
    • A. 

      A. 2 inches

    • B. 

      B. 4 inches

    • C. 

      C. 6 inches

    • D. 

      D. 1 foot

  • 7. 
    Photoelectric Beams are _________ sensors.
    • A. 

      A. active

    • B. 

      B. passive

    • C. 

      C. dormant

    • D. 

      D. useless

  • 8. 
    A _________ is a device that converts energy from one form to another.
    • A. 

      A. transceiver

    • B. 

      B. transformer

    • C. 

      C. transducer

    • D. 

      D. transmitter

  • 9. 
    A train horn coming toward you getting louder and then getting lower as it passes you is an example of _________.
    • A. 

      A. Kirschoff’s Law

    • B. 

      B. subsonic wave compression

    • C. 

      C. Doppler Shift

    • D. 

      D. Fresnel compression

  • 10. 
    The flow of energy through materials and devices is _________.
    • A. 

      A. electricity

    • B. 

      B. voltage

    • C. 

      C. current

    • D. 

      D. audio

  • 11. 
    A material with few free electrons is called a(n) _________.
    • A. 

      A. conductor

    • B. 

      B. ion

    • C. 

      C. isolator

    • D. 

      D. insulator

  • 12. 
    If I = 6 amps and R = 2 ohms then E = _________ volts.
    • A. 

      A. 8

    • B. 

      B. 12

    • C. 

      C. 3

    • D. 

      D. not enough information

  • 13. 
    What is the sum of the following figures:  0.75 amps + 200 milliamps + 1.5 amps + 1,000,000 microamps
    • A. 

      A. 3.5 amps

    • B. 

      B. 4,250 milliamps

    • C. 

      C. 3.45 amps

    • D. 

      D. 2,750 milliamps

  • 14. 
    Orange, Orange, Black — A resistor with the first three bands in this order equals what value?
    • A. 

      A. 13 ohms

    • B. 

      B. 33 ohms

    • C. 

      C. 3,600 ohms

    • D. 

      D. 4.2 kiliohms

  • 15. 
    Resistors are required at the end of the line in order to _________.
    • A. 

      A. restrict current

    • B. 

      B. identify where the wire runs

    • C. 

      C. supervise the circuit

    • D. 

      D. adjust for over or undersized wiring

  • 16. 
    What’s Wrong With This?Can you identify a problem with what is depicted in the photo?