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  • Question
  • What is the total resistance of the given circuit? 92 ? 288 ? 17.7 ? 128 ?

    What is the total resistance of the given circuit?


  • Options
  • A. 92 Ω
  • B. 288 Ω
  • C. 17.7 Ω
  • D. 128 Ω

  • Correct Answer
  • 92 Ω 


  • Series-Parallel Circuits problems


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    • 1. In a series?parallel circuit, individual component power dissipations are calculated using:

    • Options
    • A. individual component parameters
    • B. a percent of the voltage division ratio squared
    • C. total current squared multiplied by the resistor values
    • D. a percent of the total power depending on resistor ratios
    • Discuss
    • 2. When placed into a circuit, how are electronic components usually connected?

    • Options
    • A. positive terminal to positive terminal
    • B. in parallel
    • C. as a combination of series and parallel
    • D. in series
    • Discuss
    • 3. 

      Which circuit fault do the meter readings in the given figure indicate?


    • Options
    • A. The 1 kΩ resistor is shorted.
    • B. The 4.7 kΩ resistor is shorted.
    • C. The 2.2 kΩ resistor is shorted.
    • D. The 3.3 kΩ resistor is shorted.
    • Discuss
    • 4. What is the total resistance?


    • Options
    • A. 800 Ω
    • B. 1.2 kΩ
    • C. 1.6 kΩ
    • D. 1.8 kΩ
    • Discuss
    • 5. 

      How much current is flowing through R1 in the given circuit?


    • Options
    • A. 0.3 A
    • B. 0.15 A
    • C. 0.5 A
    • D. 0.68 A
    • Discuss
    • 6. What is the power dissipated by R1, R2, and R3?


    • Options
    • A. P1 = 0.13 W, P2 = 0.26 W, P3 = 0.12 W
    • B. P1 = 0.26 W, P2 = 0.52 W, P3 = 0.23 W
    • C. P1 = 0.52 W, P2 = 0.92 W, P3 = 0.46 W
    • D. P1 = 1.04 W, P2 = 1.84 W, P3 = 0.92 W
    • Discuss
    • 7. 

      In the given circuit, what is RUNK equal to if RV must be adjusted to 1,232 Ω in order to balance the bridge?


    • Options
    • A. 220 Ω
    • B. 6,899 Ω
    • C. 1,232 Ω
    • D. More information is needed in order to find RUNK.
    • Discuss
    • 8. A Wheatstone bridge can be used to determine an unknown

    • Options
    • A. current
    • B. resistance
    • C. power
    • D. voltage
    • Discuss
    • 9. 

      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
    • 10. 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


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