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  • Question
  • How will an open resistor affect a series circuit?


  • Options
  • A. Current will flow around the open resistor.
  • B. The open resistor will drop 0 V.
  • C. Total resistance will decrease.
  • D. No current will flow in the circuit.

  • Correct Answer
  • No current will flow in the circuit. 


  • Series Circuits problems


    Search Results


    • 1. 

      How much current flows in the circuit in the given circuit?


    • Options
    • A. 20 µA
    • B. 60 µA
    • C. 80 µA
    • D. 140 µA
    • Discuss
    • 2. A series circuit current:

    • Options
    • A. remains the same through each component
    • B. is the same as the individual resistances
    • C. is subtracted by each component
    • D. varies through each component
    • Discuss
    • 3. Kirchhoff's voltage law states that:

    • Options
    • A. the sum of the voltage drops in a series circuit is equal to the total applied voltage
    • B. the algebraic sum of the resistances is equal to the sum of the voltages
    • C. the algebraic sum of the individual currents around a closed loop is zero
    • D. the voltages developed across each element in a series circuit are identical
    • Discuss
    • 4. The software used to drive microprocessor-based systems is called:

    • Options
    • A. assembly language programs
    • B. firmware
    • C. BASIC interpreter instructions
    • D. flowchart instructions
    • Discuss
    • 5. Which bus is bidirectional?

    • Options
    • A. data bus
    • B. control bus
    • C. address bus
    • D. multiplexed bus
    • Discuss
    • 6. What is the current flow through R1, R2, and R3?


    • Options
    • A. 1A, 1A, 1A
    • B. 1A, 2A, 3A
    • C. 3A, 3A, 3A
    • D. 3A, 2A, 1A
    • Discuss
    • 7. In a series circuit, the voltage measured across a short will be:

    • Options
    • A. source voltage
    • B. infinite voltage
    • C. zero volts
    • D. the normal voltage drop
    • Discuss
    • 8. What is the total power in the circuit?


    • Options
    • A. 170 mW
    • B. 1.7 W
    • C. 17 W
    • D. 170 W
    • Discuss
    • 9. Which equation determines individual resistor voltage drop?

    • Options
    • A. V x R
    • B. I2 x R
    • C. V x I
    • D. I x R
    • Discuss
    • 10. What is the total resistance?


    • Options
    • A. 0 kΩ; there is no current
    • B. 2 kΩ; the average
    • C. 3 kΩ; the largest
    • D. 6 kΩ; the sum
    • Discuss


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