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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. Metal tin becomes superconductor at approximately
  2. The reason why electrical appliances are connected in parallel.
  3. Another term of the quality factor of the resonant circuit.
  4. If the output resistance of a voltage source is 4 a it internal resistance should be
  5. What fusion of elements is without chemical action between them?
  6. In an RL series circuita
  7. In a circuita a passive element is one which
  8. The ratio of the flux density to the electric field intensity in the dielectric is called
  9. Which of the following conditions is not true for a series RLCcircuit at resonance?
  10. The power factor of a circuit is equal to
  11. Which waveform in which the rms value and the mean value are equal?
  12. A capacitor opposes change in
  13. A gang capacitor is a variable capacitor in which capacitance is varied by changing the
  14. Refers to the outward-curving distortion of the lines of force near the edges of two parallel metal…
  15. Which of the following does not refer to electrical energy?
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    A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
  17. What is the total effective capacitance of two 0.25 F capacitors connected in series?
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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
  19. Which is considered as the effect of a dielectric material?
  20. What is the most common non-sinusoidal waveform?
  21. The resistance of an insulator ___ when its temperature is increased.
  22. Property of an electric circuit that dissipates electric energy
  23. What determines the magnitude of electric current?
  24. When the power factor of a circuit is zeroa
  25. The unit of elastance is
  26. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  27. When frequency of an ac wave decreasesa the value of XLin a coil
  28. Rationalizing the denominator of a complex number means
  29. The graph between an alternating quantity and time is called
  30. What is the cross-sectional are of a conductor whose diameter is 0.001 inch?