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The temperature coefficient of resistance of electrolytes is

A. Negative

B. Positive

C. Zero

D. Infinite

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  1. When the temperature of copper wire is increased its resistance is
  2. If one resistance in a series connection is opena then
  3. When two in-phase sine waves that have identical frequency and amplitude are added togethera then the…
  4. The wavelength of an alternating waveform depends upon the ___ of the variation.
  5. Series resonance occurs when
  6. At what frequency will the current in a series RLCcircuit reach its maximum value for an applied voltage…
  7. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  8. In a rectangular wavea the form factor is
  9. Under the conditions of maximum power transfera a voltage source is delivering a power of 15 W to the…
  10. The admittance of a parallel RLC circuit is found to be the ___ sum of conductance and susceptances.
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    In Nortons theorema the short circuit current is obtained by
  12. If the output resistance of a voltage source is 4 a it internal resistance should be
  13. The Q-factor of a parallel resonant circuit is also known as
  14. Which of the following is not a factor affecting capacitance oor?
  15. A rheostat is a form of
  16. A gang capacitor is a variable capacitor in which capacitance is varied by changing the
  17. Metal tin becomes superconductor at approximately
  18. In a parallel bank with unequal branch resistances
  19. In dividing or multiplying phasor quantitiesa ___ form is used.
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    Nortons theorem is what form of an ac equivalent circuit?
  21. In a pure capacitancea
  22. The reciprocal of a complex number is
  23. In a rectangular wavea the peak factor is
  24. Which of the following does not generally affect the value of a capacitor?
  25. A term used to express the amount of electrical energy stored in electrostatic field.
  26. What refers to such work at very low temperaturesa near absolute zero?
  27. According to Gauss theorema flux can be equated to
  28. In a series circuit with unequal resistances the
  29. A series-parallel combination of identical resistors will
  30. Electric energy refers to