The wavelength of an alternating waveform depends upon the ___ of the variation.

A. Period

B. Number

C. Frequency

D. Amplitude

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  1. Which of the following is a common material used in wire-wound resistors?
  2. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  3. When capacitors are connected in seriesa the total capacitance is
  4. The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera…
  5. High resistance values are a consequence of the ___ of the film.
  6. Which of the following has a positive temperature coefficient?
  7. Two complex numbers or phasors are said to be conjugate if they
  8. The area of capacitor plates increases two timesa then its capacitance
  9. Which of the following does not refer to electrical energy?
  10. For a parallel ACcircuita ___ is used as a reference phasor.
  11. Which of the following has negative temperature coefficient?
  12. If an emf in circuit A produces a current in circuit Ba then the same emf in circuit Bproduces the same…
  13. The superposition theorem is used when the circuit contains
  14. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  15. Which of the following is a way of decreasing mutual inductance?
  16. If the capacitance of mica capacitor is 5 times the capacitcitora then the relative permittivity of…
  17. A term used to express the amount of electrical energy stored in electrostatic field.
  18. What is the hot resistance of a 100 Wa 220 V incandescent lamp?
  19. What is the total resistance of a two equal valued resistors in series?
  20. Which one of the following elements serves as a protection against overload?
  21. Which of the following dielectric materials makes the lowest-capacitance capacitor?
  22. Electron flow assumes charges flow from
  23. In liquids and gasesa ionization current results from a flow of
  24. A neon glow lamp used as a night light ionizes at approximately
  25. The reciprocal of a complex number is
  26. What is the conductance of a circuit having three 10 resistors in parallel?
  27. Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
  28. What is the peak factor for alternating current or voltage varying sinusiodally?
  29. Which of the statements below is not true?
  30. In a circuita an active element is one which