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Home ‣ Electronics ‣ Voltage and Current Comments
  • Question

  • Current is:


  • Options
  • A. the presence of a positive charge
  • B. the abundance of electrons
  • C. the movement of electrons
  • D. the repulsion of electrons

  • Correct Answer
  • the movement of electrons 

    • Voltage and Current problems

    Search Results

    • 1. Primary batteries, unlike secondary batteries, may be:

    • Options
    • A. charged once
    • B. used once
    • C. recharged over and over
    • D. stored indefinitely
      • Discuss
    • 2. The basic difference between a fuse and a circuit breaker is

    • Options
    • A. a fuse is slower
    • B. a fuse is reusable
    • C. a circuit breaker is reusable
    • D. a circuit breaker is more reliable
      • Discuss
    • 3. Current is considered as the movement of:

    • Options
    • A. electrons
    • B. protons
    • C. charge
    • D. nuclei
      • Discuss
    • 4. In practical applications, battery voltage:

    • Options
    • A. is restored as soon as disconnect occurs
    • B. is lowered as the load increases
    • C. may be stored indefinitely
    • D. will be reduced to zero as power is drawn
      • Discuss
    • 5. When considering conventional current versus electron current flow:

    • Options
    • A. electron current flow came first
    • B. protons move in conventional current flow
    • C. conventional current flow came first
    • D. the direction of current is the same in both methods
      • Discuss
    • 6. If 40 C of charge flow past a point in 20 s, what is the current?

    • Options
    • A. 2 A
    • B. 0.5 A
    • C. 20 A
    • D. 40 A
      • Discuss
    • 7. What is the name of the pressure that moves electrons in a closed circuit?

    • Options
    • A. amperes
    • B. ohms
    • C. voltage
    • D. coulombs
      • Discuss
    • 8. Current equals:

    • Options
    • A.
    • B. coulombs × time
    • C.
    • D. voltage × time
      • Discuss
    • 9. What type of switch is this?


    • Options
    • A. push button
    • B. SPST
    • C. DPDT
    • D. SPDT
      • Discuss
    • 10. A lead-acid battery is an example of a

    • Options
    • A. solar cell
    • B. fuel cell
    • C. primary battery
    • D. secondary battery
      • Discuss

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