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  • Question

  • 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

  • Correct Answer
  • 400 mA 

    • Series-Parallel Circuits problems

    Search Results

    • 1. 

      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
    • 2. 

      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
    • 3. 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
    • 4. 

      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
    • 5. 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
      • Discuss
    • 6. When a load is connected to a voltage divider, the total resistance of the circuit will:

    • Options
    • A. decrease
    • B. double
    • C. increase
    • D. remain the same
      • Discuss
    • 7. When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read:

    • Options
    • A. twice the source voltage
    • B. the same as the source voltage
    • C. zero volts
    • D. half the source voltage
      • Discuss
    • 8. What determines if resistor connections are in series, parallel, or series?parallel?

    • Options
    • A. the voltage source
    • B. the power source
    • C. resistance
    • D. current flow
      • Discuss
    • 9. What is the total resistance?


    • Options
    • A. 2.2 kΩ
    • B. 3.2 kΩ
    • C. 4.2 kΩ
    • D. 5.2 kΩ
      • Discuss
    • 10. 

      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

    Comments

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    shital
    electronics subject is the best
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