Basic Physics Quiz! Trivia Test

10 Questions | Total Attempts: 37

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Basic Physics Quiz! Trivia Test - Quiz

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Questions and Answers
  • 1. 
    The formula to find I when the values of V and R are known is
    • A. 

      I = VR

    • B. 

      I = R/V

    • C. 

      V = IR

    • D. 

      I = V/R

  • 2. 
    Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k.
    • A. 

      27.2 mA

    • B. 

      59 mA

    • C. 

      5.9 mA

    • D. 

      590 mA

  • 3. 
    Materials with lots of free electrons are called
    • A. 

      Conductors

    • B. 

      Insulators

    • C. 

      Semiconductors

    • D. 

      Filters

  • 4. 
    Current flows in a circuit when
    • A. 

      A switch is opened

    • B. 

      A switch is closed

    • C. 

      The switch is either open or closed

    • D. 

      There is no voltage

  • 5. 
    A material that does not allow current under normal conditions is an
    • A. 

      Insulator

    • B. 

      Conductor

    • C. 

      Semiconductor

    • D. 

      Valence

  • 6. 
    A multimeter measures
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Resistance

    • D. 

      Current, voltage, and resistance

  • 7. 
    If a 6 V and a 9 V source are connected series aiding, the total voltage is
    • A. 

      6V

    • B. 

      9V

    • C. 

      3V

    • D. 

      15V

  • 8. 
    Cut-off current in a fuse is the
    • A. 

      Maximum value actually reached

    • B. 

      R.m.s. value actually reached

    • C. 

      Average value actually reached

    • D. 

      None of these

  • 9. 
    Using a high current fuse in a low current appliance is very
    • A. 

      Safe

    • B. 

      Dangerous

    • C. 

      Necessary

    • D. 

      Complicated

  • 10. 
    A simple enclosed length of wire that has a low melting point is known as
    • A. 

      Resistor

    • B. 

      Fuse

    • C. 

      Circuit breaker

    • D. 

      Thermistor

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