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Home ‣ Electronics ‣ Series-Parallel Circuits Comments
  • Question

  • In a series?parallel circuit consisting of R1 and R2 in series and connected in parallel with R3, if R1 opens, then R2's voltage will:


  • Options
  • A. increase
  • B. decrease
  • C. remain the same
  • D. cannot tell

  • Correct Answer
  • decrease 

    • Series-Parallel Circuits problems

    Search Results

    • 1. What is the power dissipated by R2, R4, and R6?


    • Options
    • A. P2 = 417 mW, P4 = 193 mW, P6 = 166 mW
    • B. P2 = 407 mW, P4 = 183 mW, P6 = 156 mW
    • C. P2 = 397 mW, P4 = 173 mW, P6 = 146 mW
    • D. P2 = 387 mW, P4 = 163 mW, P6 = 136 mW
      • Discuss
    • 2. If R1 is in series with a parallel combination of R2, R3, and R4, when the resistance value of R2 increases, the voltage across R3 will

    • Options
    • A. increase
    • B. decrease
    • C. remain the same
    • D. Cannot tell
      • Discuss
    • 3. The current flowing through an unloaded voltage divider is called the:

    • Options
    • A. resistor current
    • B. load current
    • C. bleeder current
    • D. voltage current
      • Discuss
    • 4. What are the branch currents I2 and I3?


    • Options
    • A. I2 = 4 mA, I3 = 2 mA
    • B. I2 = 4.5 mA, I3 = 2.5 mA
    • C. I2 = 2.5 mA, I3 = 1.5 mA
    • D. I2 = 5.5 mA, I3 = 3.5 mA
      • Discuss
    • 5. 

      If the load in the given circuit is 120 kΩ , what is the loaded output voltage?


    • Options
    • A. 4.21 V
    • B. 15.79 V
    • C. 16 V
    • D. 19.67 V
      • Discuss
    • 6. 

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


    • Options
    • A. The 1 kΩ resistor is open.
    • B. The 4.7 kΩ resistor is open.
    • C. The 2.2 kΩ resistor is open.
    • D. The 3.3 kΩ resistor is open.
      • Discuss
    • 7. Components or combinations of components with common currents, in a series?parallel circuit, are in:

    • Options
    • A. parallel with each other
    • B. series with each other
    • C. either series or parallel with each other
    • D. none of the above
      • Discuss
    • 8. 

      If the load in the given circuit is 80 kΩ , what is the bleeder current?


    • Options
    • A. 196 µ A
    • B. 1.96 mA
    • C. 2 mA
    • D. 2.16 mA
      • Discuss
    • 9. 

      How much voltage is dropped across R3 in the given circuit?


    • Options
    • A. 46 V
    • B. 34 V
    • C. 23 V
    • D. 12 V
      • Discuss
    • 10. With 21 V applied, if R1 = 5 ohms, R2 = 35 ohms, and R3 = 14 ohms, what is the current of R2 if R1 is series connected with parallel circuit R2 and R3?

    • Options
    • A. 200 mA
    • B. 800 mA
    • C. 600 mA
    • D. 400 mA
      • Discuss

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