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  • Question

  • What type of waveform is shown in the given circuit? Sine wave Square wave Triangle wave Sawtooth wa

    What type of waveform is shown in the given circuit?


  • Options
  • A. Sine wave
  • B. Square wave
  • C. Triangle wave
  • D. Sawtooth wave

  • Correct Answer
  • Triangle wave 

    • Alternating Current and Voltage problems

    Search Results

    • 1. 

      Which point is the trailing edge of the repetitive pulse waveform in the given circuit?


    • Options
    • A. Point A
    • B. Point B
    • C. Point C
    • D. Point D
      • Discuss
    • 2. What is the instantaneous peak voltage at 250° on a 6 V peak sine wave?

    • Options
    • A. +5.64 V
    • B. ?5.64 V
    • C. +26.13 V
    • D. ?26.13 V
      • Discuss
    • 3. What is the fourth harmonic of a fundamental frequency of 400 Hz?

    • Options
    • A. 100 Hz
    • B. 4 kHz
    • C. 4 Hz
    • D. 1.6 kHz
      • Discuss
    • 4. In both induction and synchronous ac motors

    • Options
    • A. the operating speed is very steady
    • B. the stator magnetic field is stationary
    • C. the stator magnetic field rotates
    • D. the "squirrel cage" forms the rotor
      • Discuss
    • 5. 

      Calculate the positive-going slope of the waveform in the given circuit.


    • Options
    • A. 5 V/ms
    • B. 2.5 V/ms
    • C. 2.5 V/s
    • D. 5 V/s
      • Discuss
    • 6. 

      What is the dc voltage of the waveform in the given circuit?


    • Options
    • A. 2 V
    • B. 4 V
    • C. 6 V
    • D. 8 V
      • Discuss
    • 7. Which of the following statements is true about a lag network?

    • Options
    • A. An increase in frequency causes an increase in phase lag.
    • B. An increase in frequency causes an increase in the magnitude of the output voltage.
    • C. A decrease in frequency causes an increase in phase lag.
    • D. A decrease in frequency causes a decrease in the magnitude of the output voltage.
      • Discuss
    • 8. As frequency increases

    • Options
    • A. both series and parallel RL impedance decrease
    • B. series RL impedance decreases and parallel RL impedance increases
    • C. series RL impedance increases and parallel RL impedance decreases
    • D. both series and parallel RL impedance increase
      • Discuss
    • 9. 

      Calculate the voltage dropped across R1 in the given circuit.


    • Options
    • A. 14 V
    • B. 26.8 V
    • C. 28 V
    • D. 0 V
      • Discuss
    • 10. If XL= 100 Ω and R = 100 Ω, then impedance will be

    • Options
    • A. 141.4 Ω
    • B. 14.14 Ω
    • C. 100 Ω
    • D. 200 Ω
      • Discuss

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