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Home Electronics Parallel Circuits Comments

  • Question
  • Kirchhoff's current law for parallel circuits states that the:


  • Options
  • A. sum of all branch voltages equals zero
  • B. total circuit resistance is less than the smallest branch resistor
  • C. sum of currents into a junction is equal to the difference of all the branch currents
  • D. sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction

  • Correct Answer
  • sum of the total currents flowing out of a junction equals the sum of the total currents flowing into that junction 


  • Parallel Circuits problems


    Search Results


    • 1. What is RT for fifteen 2 MΩ resistors all connected in parallel?

    • Options
    • A. 133 kΩ
    • B. 300 kΩ
    • C. 750 kΩ
    • D. 30 MΩ
    • Discuss
    • 2. If a 1 kΩ and a 2 kΩ resistor are parallel-connected across a 12 V supply, how much current is received by the 2 kΩ resistor?

    • Options
    • A. 4 mA
    • B. 6 mA
    • C. 8 mA
    • D. 12 mA
    • Discuss
    • 3. What is the total resistance?


    • Options
    • A. 7 kΩ
    • B. 1 kΩ
    • C. 706 Ω
    • D. 353 Ω
    • Discuss
    • 4. Which component is shorted?


    • Options
    • A. R1
    • B. R2
    • C. R3
    • D. R4
    • Discuss
    • 5. When a parallel 5 kΩ resistor and a 25 kΩ resistor have a 10 V supply, what is the total power loss?

    • Options
    • A. 2.4 mW
    • B. 3.3 mW
    • C. 24 mW
    • D. 33 mW
    • Discuss
    • 6. 

      What does VS equal in the given circuit?


    • Options
    • A. 0 V
    • B. 9 V
    • C. 27 V
    • D. More information is needed to find VS.
    • Discuss
    • 7. The voltage across any branch of a parallel circuit:

    • Options
    • A. varies as the total current varies
    • B. is inversely proportional to total circuit resistance
    • C. is equally applied to all branch conductances
    • D. is dropped in proportion to each branch resistance
    • Discuss
    • 8. What are the individual values of two parallel resistors whose RT is 8 ohms, when one has double the resistance of the other?

    • Options
    • A. 2.7 ohms and 5.3 ohms
    • B. 8 ohms and 16 ohms
    • C. 10 ohms and 20 ohms
    • D. 12 ohms and 24 ohms
    • Discuss
    • 9. Which is considered to be the common reference for a parallel circuit?

    • Options
    • A. Voltage
    • B. Current
    • C. Power
    • D. Resistance
    • Discuss
    • 10. When parallel resistors are of three different values, which has the greatest power loss?

    • Options
    • A. The smallest resistance
    • B. The largest resistance
    • C. They have the same power loss.
    • D. Voltage and resistance values are needed.
    • Discuss


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