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Series Circuits problems

  • 1. 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
  • 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. Electronics Series Circuits: How much curren

    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
  • 4. 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
  • 5. What is the current flow through R1, R2, and R3?

    Electronics Series Circuits: 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
  • 6. 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
  • 7. What is the total power in the circuit?

    Electronics Series Circuits: What is the total power in the circuit?

  • Options
  • A. 170 mW
  • B. 1.7 W
  • C. 17 W
  • D. 170 W
    • Discuss
  • 8. 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
  • 9. What is the total resistance?

    Electronics Series Circuits: 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
  • 10. When 50 V is applied to four series resistors, 100 µA flows. If R1 = 12 kΩ , R2 = 47 kΩ, and R3 = 57 kΩ, what is the value of R4?

  • Options
  • A. 38.4 kΩ
  • B. 3.84 kΩ
  • C. 384 kΩ
  • D. 3.84 MΩ
    • Discuss

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