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  • Question

  • If the load in the given circuit is open, what is the unloaded output voltage? 0 V 4 V 16 V 20 V

    If the load in the given circuit is open, what is the unloaded output voltage?


  • Options
  • A. 0 V
  • B. 4 V
  • C. 16 V
  • D. 20 V

  • Correct Answer
  • 16 V 

    • Series-Parallel Circuits problems

    Search Results

    • 1. What is the voltage to the load?


    • Options
    • A. 11.4 V
    • B. 12.4 V
    • C. 13.4 V
    • D. 15.4 V
      • Discuss
    • 2. The first goal(s) to accomplish in analyzing a complex series?parallel circuit is to:

    • Options
    • A. equate all parallel components
    • B. equate all series components
    • C. solve for all the voltage drops
    • D. solve for the total current and resistance
      • Discuss
    • 3. If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?

    • Options
    • A. increases
    • B. decreases
    • C. remains the same
    • D. cannot tell
      • Discuss
    • 4. 

      If the load in the given circuit is 12 kΩ , what is the loaded output voltage?


    • Options
    • A. 5.88 V
    • B. 14.12 V
    • C. 16 V
    • D. 17.14 V
      • Discuss
    • 5. A Wheatstone bridge can be used to determine an unknown

    • Options
    • A. current
    • B. resistance
    • C. power
    • D. voltage
      • Discuss
    • 6. If a series?parallel circuit has all 30-ohm resistors, what is the total resistance when R1 is in series with a parallel circuit consisting of R2 and R3?

    • Options
    • A. 10 ohms
    • B. 20 ohms
    • C. 45 ohms
    • D. 90 ohms
      • Discuss
    • 7. What is the total resistance of a circuit when R1 (7 k Ω) is in series with a parallel combination of R2 (20 k Ω), R3 (36 k Ω), and R4 (45 k Ω)?

    • Options
    • A. 4 k Ω
    • B. 17 k Ω
    • C. 41 k Ω
    • D. 108 k Ω
      • Discuss
    • 8. If a Wheatstone bridge is balanced, a voltmeter in the center of the bridge will read:

    • Options
    • A. the same as the source voltage
    • B. half the source voltage
    • C. zero volts
    • D. twice the source voltage
      • Discuss
    • 9. Fixed transformers have:

    • Options
    • A. a center-tapped secondary
    • B. multiple windings
    • C. turns ratios that cannot be changed
    • D. a multiple-tapped secondary
      • Discuss
    • 10. Electricity may be generated by a wire:

    • Options
    • A. carrying current
    • B. wrapped as a coil
    • C. that has neutral domains
    • D. passing through a flux field
      • Discuss

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