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  1. In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.
  2. Which of the following is also known as antiresonant circuit?
  3. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  4. What is the form factor of a triangular wave?
  5. A capacitor requires 12 C of charge to raise its potential of 3 V. What is the capacitance of the capacitor?
  6. What is the efficiency under the conditions of maximum power transfer?
  7. Which of the following is a disadvantage of a wire-wound resistor?
  8. Form its definitiona the unit of electric fielda is the N/C and equivalent unit of is the
  9. The reason why electrical appliances are not connected in series.
  10. If resonant frequency is 10 kHz and quality factor is 50a then
  11. The arc across a switch when it open an RL circuit is a result of the
  12. In calculating maximum instantaneous power ___ voltage or current is used.
  13. In a rectangular wavea the peak factor is
  14. Which of the following is the peakiest?
  15. Two complex numbers or phasors are said to be conjugate if they
  16. The rms value of a triangular or sawtooth waveform is ___ tim value.
  17. A capacitor consists of two
  18. The distance between the capacitor plates increases two timesa then its capacitance
  19. For multi-plate capacitora capacitance is proportional to
  20. A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
  21. The reason why alternating current can induce voltage is
  22. The electric field strength between capacitor plates has a unit
  23. What is the time constant for L of 240 mH in series with R of 20 ?
  24. In a series circuit with unequal resistances the
  25. What dielectric is generally employed by a variable capacitor?
  26. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
  27. Which one of the following elements serves as a protection against overload?
  28. The curve between current and frequency is termed as
  29. Which factor does not affect resistance?
  30. Thevenins theorem is what form of an equivalent circuit?