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Home ‣ Electronics ‣ Series-Parallel Circuits Comments
  • Question

  • When a load is connected to a voltage divider, the total resistance of the circuit will ________.


  • Options
  • A. increase
  • B. decrease
  • C. remain the same
  • D. double

  • Correct Answer
  • decrease 

    • Series-Parallel Circuits problems

    Search Results

    • 1. 

      In the given circuit, the total resistance (RT) between points A and B equals _____.


    • Options
    • A. 10 Ω
    • B. 100 Ω
    • C. 900 Ω
    • D. 1,010 Ω
      • Discuss
    • 2. Series components in a series?parallel circuit may be in series with other _______________ components, or with other _______________ components.

    • Options
    • A. individual, combinations of
    • B. series, parallel
    • C. parallel, series
    • D. shunt, parallel
      • Discuss
    • 3. 

      In the given circuit, the current flowing through R3 equals ______.


    • Options
    • A. 10 mA
    • B. 21.11 mA
    • C. 90 mA
    • D. 100 mA
      • Discuss
    • 4. If a Wheatstone bridge is balanced, its output voltage is ____.

    • Options
    • A. the same as its input voltage
    • B. very high
    • C. dependent on the unknown resistor value
    • D. equal to 0 V
      • Discuss
    • 5. The loading effect of a voltmeter can be ignored if ____.

    • Options
    • A. the measured voltage is very high
    • B. the measured voltage is very low
    • C. the meter's resistance is at least 10 times greater than the resistance across which it is connected
    • D. the meter's resistance is at least 10 times less than the resistance across which it is connected
      • Discuss
    • 6. If four 10 kΩ resistors are in series with a single 20 kΩ resistor and one of the parallel resistors shorts, the voltage across the other parallel resistors ________.

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. drops to zero
      • Discuss
    • 7. 

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


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

    • Options
    • A. Thevenin's theorem
    • B. Superposition
    • C. Kirchhoff's law
    • D. Ohm's law
      • Discuss
    • 9. 

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


    • Options
    • A. 1 V
    • B. 9 V
    • C. 10 V
    • D. 19 V
      • Discuss
    • 10. 

      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

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