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Home ‣ Electronics ‣ Voltage and Current Comments
  • Question

  • A lead-acid battery is an example of a


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

  • Correct Answer
  • secondary battery 

    • Voltage and Current problems

    Search Results

    • 1. What type of switch is this?


    • Options
    • A. push button
    • B. SPST
    • C. DPDT
    • D. SPDT
      • Discuss
    • 2. Current equals:

    • Options
    • A.
    • B. coulombs × time
    • C.
    • D. voltage × time
      • Discuss
    • 3. What is the name of the pressure that moves electrons in a closed circuit?

    • Options
    • A. amperes
    • B. ohms
    • C. voltage
    • D. coulombs
      • Discuss
    • 4. 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
    • 5. 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
      • Discuss
    • 6. A voltage will influence current only if the circuit is:

    • Options
    • A. open
    • B. insulated
    • C. high resistance
    • D. closed
      • Discuss
    • 7. One coulomb passing a point in one second is one:

    • Options
    • A. ampere
    • B. volt
    • C. ohm
    • D. charge
      • Discuss
    • 8. If an electrical system is compared to a fluid system, the electrical current corresponds to the:

    • Options
    • A. pressure
    • B. pump
    • C. water wheel
    • D. water flow
      • Discuss
    • 9. What do you call a diagram that shows the electrical connections of a circuit's components?

    • Options
    • A. A schematic diagram
    • B. A pictorial diagram
    • C. A block diagram
    • D. An electrical diagram
      • Discuss
    • 10. Which part of an atom has no electrical charge?


    • Options
    • A. Electron
    • B. Neutron
    • C. Proton
    • D. All of the above
      • Discuss

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