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Home ‣ Electrical Engineering ‣ Series Circuits See What Others Are Saying!
  • Question

  • A string of five series resistors is connected across a 6 V battery. Zero voltage is measured across all resistors except R3. The voltage across R3 is


  • Options
  • A. 0 V
  • B. 1.2 V
  • C. 6 V
  • D. 0.6 V

  • Correct Answer
  • 6 V 

    • More questions

    • 1. Electrons in the outer orbit are called

    • Options
    • A. nuclei
    • B. valences
    • C. waves
    • D. shells
      • Discuss
    • 2. What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?

    • Options
    • A. 18.75 At
    • B. 30 At
    • C. 300 At
    • D. 187 At
      • Discuss
    • 3. An electromagnetic field exists only when there is

    • Options
    • A. an increasing current
    • B. decreasing current
    • C. voltage
    • D. current
      • Discuss
    • 4. The total resistance of a parallel circuit is 50 Ω. If the total current is 120 mA, the current through the 270 Ω resistor that makes up part of the parallel circuit is approximately

    • Options
    • A. 22 mA
    • B. 120 mA
    • C. 220 mA
    • D. 50 mA
      • Discuss
    • 5. A relay is an electromagnetically controlled mechanical device in which electrical contacts are opened or closed by a magnetizing current.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Which of the following series combinations dissipates the most power when connected across a 120 V source?

    • Options
    • A. one 220 Ω resistor
    • B. two 220 Ω resistors
    • C. three 220 Ω resistors
    • D. four 220 Ω resistors
      • Discuss
    • 7. A band-stop filter passes frequencies between its lower and upper critical frequencies and rejects all others.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. For the circuit given, determine the Thevenin voltage as seen by RL.


    • Options
    • A. 0.574∠16.7° V
    • B. 5.74∠16.7° V
    • C. 0.574 ∠?16.7° V
    • D. 5.74∠?16.7° V
      • Discuss
    • 9. If two currents are in the same direction at any instant of time in a given branch of a circuit, the net current at that instant

    • Options
    • A. is zero
    • B. is the sum of the two currents
    • C. is the difference between the two currents
    • D. cannot be determined
      • Discuss
    • 10. A series resonant band-stop filter consists of a 68 Ω resistor, a 110 mH coil, and a 0.02 µF capacitor. The internal resistance, RW, of the coil is 4 Ω. Input voltage is 200 mV. Output voltage is taken across the coil and capacitor in series. What is the output voltage magnitude at f0?

    • Options
    • A. 1.1 mV
    • B. 11.1 mV
    • C. 111 mV
    • D. 200 mV
      • Discuss

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