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When current and voltage arte in phase in an ac circuita the ___ is equal to zero.

A. Resistance

B. Reactance

C. Inductance

D. Capacitance

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  1. In a rectangular wavea the peak factor is
  2. The ratio of W/VA in an ac circuit means
  3. If two equal resistances connected in series across a certain supply are now connected in parallel across…
  4. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
  5. Another term for superconductor.
  6. In an ac circuit with inductive reactance ?, the
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    A series RLCcircuit consists of a 10 resistor in series with L = 10 Ha and C= 100 F. Determine a new value of Ia for which the resonant frequency is one half the original value.
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    In Nortons theorema the short circuit current is obtained by
  9. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  10. When two in-phase sine waves that have identical frequency and amplitude are added togethera then the…
  11. What is the value of a carbon composition resistor with the following color code: Browna whitea orangea…
  12. The ohmic value of a resistor with negative temperature coefficient
  13. Liquids that are good conductors because of ionization are called
  14. It is impossible to change the voltage across a capacitor instantlya as this would produce ___ current.
  15. Resistor with colored bands in the body
  16. When two complex conjugates are subtracteda the result is a
  17. Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
  18. An inductance of 1 mH is
  19. An open resistor when checked with an ohmmeter reads
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    An impedance given by 90 -45 is a/an ___ impedance.
  21. What theorem is usually used in the analysis of transistor circuit?
  22. In an ac circuita the power dissipated as heat depends on
  23. Which of the following does not generally affect the value of a capacitor?
  24. What determines the direction of induced emf in a conductor or coil?
  25. The internal resistance of an ideal current source is
  26. At what frequency will an inductor of 5mH have the same reactance as a capacitor of 0.1 F?
  27. What capacitance exists not through design but simply because two conducting surfaces are relatively…
  28. For a linear circuita ___ voltage or current is used to calculate average power.
  29. The internal resistance of an ideal voltage source is
  30. Tungsten filament of bulbs has a hot resistance higher than its cold resistance due to its temperature…