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Home ‣ Electrical Engineering ‣ RLC Circuits and Resonance See What Others Are Saying!
  • Question

  • If the resistance in parallel with a parallel resonant circuit is reduced, the bandwidth


  • Options
  • A. disappears
  • B. becomes sharper
  • C. increases
  • D. decreases

  • Correct Answer
  • decreases 

    • More questions

    • 1. A 470 Ω resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is

    • Options
    • A. 12.60 ∠?76° mS
    • B. 12.18∠76° mS
    • C. 218 ∠?76° mS
    • D. 12.18 ∠?76° mS
      • Discuss
    • 2. The polar form of a complex number consists of a real part and a j part.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be

    • Options
    • A. 2 W
    • B. 1 W
    • C. 5 W
    • D. 0.5 W
      • Discuss
    • 4. Like Thevenin's theorem, Norton's theorem provides a method of reducing a more complex circuit to a simpler, more manageable form for analysis.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Using Kirchhoff's voltage law, you can find the voltages across certain parts of a series-parallel circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. When placed close together, two positively charged materials will

    • Options
    • A. attract
    • B. become neutral
    • C. become negative
    • D. repel
      • Discuss
    • 7. How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?

    • Options
    • A. 1.2 A
    • B. 12 A
    • C. 120 mA
    • D. 12 mA
      • Discuss
    • 8. What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?

    • Options
    • A. 183 Ω
    • B. 18.3 Ω
    • C. 66 Ω
    • D. 6.6 Ω
      • Discuss
    • 9. A basic one-loop dc generator is rotated at 90 rev/s. How many times each second does the dc output voltage peak (reach maximum)?

    • Options
    • A. 90
    • B. 180
    • C. 270
    • D. 360
      • Discuss
    • 10. When 12 V are applied across a 68 Ω resistor, the current is

    • Options
    • A. 816 mA
    • B. 17.6 mA
    • C. 176 mA
    • D. 8.16 mA
      • Discuss

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