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Home ‣ Electronics ‣ Series-Parallel Circuits See What Others Are Saying!
  • Question

  • When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read:


  • Options
  • A. twice the source voltage
  • B. the same as the source voltage
  • C. zero volts
  • D. half the source voltage

  • Correct Answer
  • zero volts 

    • More questions

    • 1. A circuit that uses an amplifier with passive filter elements is called a(n):

    • Options
    • A. relaxation oscillator
    • B. signal generator
    • C. differential amplifier
    • D. active filter
      • Discuss
    • 2. A wire with a smaller cross-sectional area will produce:

    • Options
    • A. less heat
    • B. more conductance
    • C. less resistance
    • D. more heat
      • Discuss
    • 3. A TRIAC will control AC voltage during the positive half cycle only.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. As frequency increases

    • Options
    • A. both series and parallel RC impedance decrease
    • B. series RC impedance decreases and parallel RC impedance increases
    • C. series RC impedance increases and parallel RC impedance decreases
    • D. both series and parallel RC impedance increase
      • Discuss
    • 5. Which component is of the wrong value?


    • Options
    • A. R1
    • B. R2
    • C. R3
    • D. R4
      • Discuss
    • 6. An element is a substance that is:

    • Options
    • A. varied throughout the entire piece
    • B. used only in electronics
    • C. electrically charged
    • D. found only in its pure form
      • Discuss
    • 7. The battery symbol is:

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. Material that consists of a mixture of elements is considered to be:

    • Options
    • A. an element
    • B. an ion
    • C. a compound
    • D. a molecule
      • Discuss
    • 9. If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Which of the following memories uses a MOSFET and a capacitor as its memory cell?

    • Options
    • A. SRAM
    • B. DRAM
    • C. ROM
    • D. DROM
      • Discuss

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