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Which of the following is a common material used in wire-wound resistors?

A. Manganin

B. Carbon

C. Bronze

D. German silver wire

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  1. With double the number of turns by the same length and areaa the inductance is
  2. The arc across a switch when it open an RL circuit is a result of the
  3. In a pure capacitancea
  4. What capacitance exists not through design but simply because two conducting surfaces are relatively…
  5. Which of the following does not affect resistance?
  6. What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
  7. The Q-factor of a series resonant circuit is also known as
  8. The electric field strength between capacitor plates has a unit
  9. A gang capacitor is a variable capacitor in which capacitance is varied by changing the
  10. A capacitor opposes change in
  11. What is the most common non-sinusoidal waveform?
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    An impedance given by 90 -45 is a/an ___ impedance.
  13. Which of the following materials has the lowest dielectric strength?
  14. The farad is not equivalent to which of the following combination of units
  15. A law which states that when a constant electromotive force is applied to a circuit consisting of a…
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    A capacitance of 6 F means
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    When two pure sine waves of the same frequency and the same amplitude which are exactly 180 outof-phase are added togethera the result is
  18. The superposition theorem is used when the circuit contains
  19. Which of the following is neither a basic physical law nor deliverable from one?
  20. What is the resonant frequency of a circuit when L of 3 microhenrys and C of 40 picofarads are in series?
  21. Which factor does not affect resistance?
  22. In a circuita an active element is one which
  23. Which of the following dielectric materials makes the lowest-capacitance capacitor?
  24. In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.
  25. What is the most convenient way of achieving large capacitance?
  26. In a complex number 5 + j 10a 10 is called ___ part.
  27. A factor that states how much the resistance changes for a change in temperature?
  28. If voltage across the plates of 2 F capacitor is increased by 4 Va then charge on the plates will
  29. Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
  30. What is the conductance of a circuit having three 10 resistors in parallel?