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What is the temperature coefficient of the resistance Eureka?

A. Infinity

B. Negative

C. Almost zero

D. Positive

You can do it
  1. A series-parallel combination of identical resistors will
  2. What is the efficiency under the conditions of maximum power transfer?
  3. What determines the direction of induced emf in a conductor or coil?
  4. For greater accuracya the value of phase angle should be determined from
  5. What is the complex impedance of a circuit with an absolute resistance of 300 ?
  6. The result of rust in electrical (wire) connection is
  7. Which of the following is a common material used in wire-wound resistors?
  8. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  9. The charging of a capacitor through a resistance obeys
  10. The arc across a switch when it open an RL circuit is a result of the
  11. Loop currents should be assumed to flow in which direction
  12. What theorem is usually used in the analysis of transistor circuit?
  13. According to Gauss theorema flux can be equated to
  14. In a series circuit with unequal resistances the
  15. The distance between the capacitor plates increases two timesa then its capacitance
  16. As applied to a series RLCcircuita bandwidth means
  17. In an ac circuit with inductive reactance ?, the
  18. What is the resonant frequency of a circuit when L of 25 microhenrys and C of 10 picofarads are in parallel?
  19. In an ac circuita the power dissipated as heat depends on
  20. In a complex number 5 + j 10a 10 is called ___ part.
  21. What determines the magnitude of electric current?
  22. A capacitor is basically constructed of
  23. The mutual inductance between two coils is ___ the reluctance of magnetic path.
  24. The presence of an electric current is made known by
  25. The unit of elastance is
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    Thevenins theorem is what form of an equivalent circuit?
  27. A law which states that when a constant electromotive force is applied to a circuit consisting of a…
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    Kirchhoffs laws (KCL and KVL) are applicable to
  29. The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase…
  30. Which of the following is not a factor affecting capacitance oor?