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  • Question
  • 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

  • Correct Answer
  • the sum of the voltage drops in a series circuit is equal to the total applied voltage 


  • Series Circuits problems


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    • 1. 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
    • 2. Which bus is bidirectional?

    • Options
    • A. data bus
    • B. control bus
    • C. address bus
    • D. multiplexed bus
    • Discuss
    • 3. When referring to instruction words, a mnemonic is:

    • Options
    • A. a short abbreviation for the operand address
    • B. a short abbreviation for the operation to be performed
    • C. a short abbreviation for the data word stored at the operand address
    • D. shorthand for machine language
    • Discuss
    • 4. How many buses are connected as part of the 8085 microprocessor?

    • Options
    • A. 2
    • B. 3
    • C. 5
    • D. 8
    • Discuss
    • 5. The technique of assigning a memory address to each I/O device in the SAM system is called:

    • Options
    • A. wired I/O
    • B. I/O mapping
    • C. dedicated I/O
    • D. memory-mapped I/O
    • Discuss
    • 6. 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
    • 7. 

      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
    • 8. 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.
    • Discuss
    • 9. 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
    • 10. 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


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