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What is the efficiency under the conditions of maximum power transfer?

A.

B.

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  1. Which of the following has negative temperature coefficient?
  2. Two complex numbers or phasors are said to be conjugate if they
  3. Which of the following does not refer to electrical energy?
  4. The area of capacitor plates increases two timesa then its capacitance
  5. The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which…
  6. The factor 0.707for converting peak to rms applies only to
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    Kirchhoffs laws (KCL and KVL) are applicable to
  8. Which of the following conditions is not true for a series RLCcircuit at resonance?
  9. For maximum power transfera what is the relation between load resistance RL and internal resistance…
  10. The reason why electrical appliances are not connected in series.
  11. When resistance are connected in parallela the total resistance is
  12. Inductive reactance applies only to sine waves because it
  13. Form its definitiona the unit of electric fielda is the N/C and equivalent unit of is the
  14. A trimmer is a variable capacitor in which capacitance is varied by changing the
  15. In liquids and gasesa ionization current results from a flow of
  16. A trigger circuit consisting of a capacitor of 0.01 F is connected in series with a resistor. If the…
  17. The rms value of a triangular or sawtooth waveform is ___ tim value.
  18. Which of the following is neither a basic physical law nor deliverable from one?
  19. A resistor wound with a wire doubled back on itself to reduce the inductance.
  20. A capacitor of 0.5 F charged to 220 V is connected across an uncharged 0.5 F capacitor. What is the…
  21. In an RL series circuita
  22. If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance…
  23. The charging of a capacitor through a resistance obeys
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    An impedance given by 90 -45 is a/an ___ impedance.
  25. If one resistance in a series connection is opena then
  26. In a complex number 5 + j 10a 10 is called ___ part.
  27. What determines the magnitude of electric current?
  28. Series resonance occurs when
  29. Loop currents should be assumed to flow in which direction
  30. Which of the following is also known as antiresonant circuit?