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Which of the following is a disadvantage of a wire-wound resistor?

A. It has reactance in radio-frequency circuits

B. It cannot handle much power

C. It draws a large amount of current

D. It cannot handle high voltage

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  5. Which of the following capacitors is suitable for dc filter circuits?
  6. Which of the following is the peakiest?
  7. If resonant frequency is 10 kHz and quality factor is 50a then
  8. A trimmer is a variable capacitor in which capacitance is varied by changing the
  9. If a coil has a Q of 10a it means that
  10. The wavelength of an alternating waveform depends upon the ___ of the variation.
  11. Which of the following does not refer to electrical energy?
  12. In a series RLCcircuit
  13. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  14. The charge in the capacitor is stored at the
  15. A three-by-threea series-parallel matrix of resistorsa all having the same ohmic valuea would have a…
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  17. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  18. The ratio of the flux density to the electric field intensity in the dielectric is called
  19. Which of the following is not considered a physical factor affecting resistance?
  20. The unit of elastance is
  21. What determines the direction of induced emf in a conductor or coil?
  22. At parallel resonancea the currents flowing through L and C are
  23. A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current…
  24. Which of the following conditions is not true for a series RLCcircuit at resonance?
  25. In an ac circuita the power dissipated as heat depends on
  26. Series resonance occurs when
  27. What is the total resistance of a two equal valued resistors in series?
  28. The result of rust in electrical (wire) connection is
  29. What is the reciprocal of quality factor?
  30. The current is ____ times the maximum current at half-power points of a resonance curve.