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  • Question

  • If R3 opens in the given circuit, the total resistance (RT) between points A and B equals ____. 900

    If R3 opens in the given circuit, the total resistance (RT) between points A and B equals ____.


  • Options
  • A. 900 Ω
  • B. 100 Ω
  • C. 110 Ω
  • D. infinite resistance

  • Correct Answer
  • 110 Ω 

    • Series-Parallel Circuits problems

    Search Results

    • 1. A Thevenin equivalent circuit contains _____.

    • Options
    • A. a voltage source in series with a resistance
    • B. a current source in series with a resistance
    • C. resistors in a series-parallel configuration
    • D. many voltage sources
      • Discuss
    • 2. 

      If the voltage between points A and B equals 9 V in the given circuit, then VR3 equals ______.


    • Options
    • A. 0.9 V
    • B. 8.1 V
    • C. 9 V
    • D. More information is needed to find VR3.
      • Discuss
    • 3. 

      In the given circuit, the voltage dropped across R1 equals _____.


    • Options
    • A. 1 V
    • B. 9 V
    • C. 10 V
    • D. 19 V
      • Discuss
    • 4. ___ is often used to analyze multiple-source circuits.

    • Options
    • A. Thevenin's theorem
    • B. Superposition
    • C. Kirchhoff's law
    • D. Ohm's law
      • Discuss
    • 5. 

      In the given circuit, the voltage at point A equals ______.


    • Options
    • A. ?10 V
    • B. +1 V
    • C. +9 V
    • D. +10 V
      • Discuss
    • 6. XL = 2ΠfL

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Self-inductance is the property that causes an electromotive force to be produced in a conductor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Lenz's law states that the current induced in a circuit due to a change in the magnetic field is so directed as to oppose the change in flux or to exert a mechanical force opposing the motion.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Kirchhoff's voltage law does not apply to series RL circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. For inductions in series, LT = L1 + L2 + L3 +...

    • Options
    • A. True
    • B. False
      • Discuss

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