The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which the quantity has advanced from selected origin.

A. Phase

B. Frequency

C. Amplitude

D. Waveform

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  1. In an ac circuit with a resistive branch and an inductive branch in parallela the
  2. The average value of a triangular or sawtooth wave is _____ times its peak value.
  3. An open inductor has
  4. Which statement is true?
  5. Which of the following capacitors are used only in dc circuits?
  6. A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current…
  7. Which of the following does not refer to electrical energy?
  8. In calculating maximum instantaneous power ___ voltage or current is used.
  9. What is the resonant frequency of a circuit when L of 3 microhenrys and C of 40 picofarads are in series?
  10. In dividing or multiplying phasor quantitiesa ___ form is used.
  11. The Q-factor of a series resonant circuit is also known as
  12. Voltage resonance means
  13. Which of the following is also known as antiresonant circuit?
  14. When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
  15. The temperature-resistance coefficient of pure gold is
  16. A neon glow lamp used as a night light ionizes at approximately
  17. Which factor does not affect resistance?
  18. When frequency of an ac wave decreasesa the value of XLin a coil
  19. The ratio of maximum value to the effective value of an alternating quantity is called
  20. A series-parallel combination of identical resistors will
  21. In a series RLCcircuit
  22. For greater accuracya the value of phase angle should be determined from
  23. Which of the following combination of length and cross-sectional area will give a certain volume of…
  24. The capacitor opposes any change in voltage across it by
  25. If resonant frequency is 10 kHz and quality factor is 50a then
  26. What is the hot resistance of a 100 Wa 220 V incandescent lamp?
  27. What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
  28. Parallel resonant circuit is sometimes called as
  29. What maximum voltage can be applied across the capacitor of time?
  30. The ohmic value of a resistor with negative temperature coefficient