29th
Mar
Circuit Theorems In Ac Analysis MCQ

Circuit Theorems In Ac Analysis MCQ

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  • 29th Mar, 2022
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Circuit Theorems In Ac Analysis MCQ Questions

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Below is the Circuit Theorems In Ac Analysis MCQ test that checks your basic knowledge of Circuit Theorems In Ac Analysis. This Circuit Theorems In Ac Analysis MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Circuit Theorems In Ac Analysis Quiz Button.

Circuit Theorems In Ac Analysis MCQ Test

1) Which of the following are the two basic components of a Thevenin equivalent ac circuit?

  • A. the equivalent voltage source and the equivalent series resistance
  • B.the equivalent voltage source and the equivalent parallel resistance
  • C.the equivalent voltage source and the equivalent series impedance
  • D.the equivalent voltage source and the equivalent parallel resistance

2) What is the Norton equivalent current?

  • A. The short circuit current
  • B.The current through the load
  • C.The open-current from the source
  • D.None of the above

3) The superposition theorem is useful for circuit analysis only in ac circuits.

  • A. True
  • B.False

4) The superposition theorem is useful for the analysis of single-source circuits.

  • A. True
  • B.False

5) The Norton equivalent current is ___.

  • A. The current through the load
  • B.The open-current from the source
  • C.The short circuit current
  • D.None of the above

6) The Thevenin equivalent voltage is:

  • A. Equal to the source voltage
  • B.The same as the load voltage
  • C.The open circuit voltage
  • D.None of the above

7) A Thevenin ac equivalent circuit always consists of an equivalent ac voltage source and an equivalent capacitance.

  • A. True
  • B.False

8) In order to get maximum power transfer from a capacitive source, the load must have a/an ____.

  • A. capacitive reactance equal to circuit resistance
  • B.impedance that is the complex conjugate of the source impedance
  • C.capacitive as it is inductive
  • D.None of the above

9) Like Thevenin's theorem, Norton's theorem provides a method of reducing a more complex circuit to a simpler, more manageable form for analysis.

  • A. True
  • B.False

10) Norton’s theorem gives:

  • A. an equivalent voltage source in series with an equivalent impedance
  • B.an equivalent current source in parallel with an equivalent impedance
  • C.an equivalent current source in series with an equivalent impedance
  • D.an equivalent voltage source in parallel with an equivalent impedance

11) ___ and ____ theorems provide methods for reducing a circuit to a simple equivalent form for easier analysis.

  • A. Thevenin's, Norton's
  • B.Newton's and Norton's theorems
  • C.Thevenin's and Ohm's theorems
  • D.None of the above

12) An equivalent circuit is one that produces the same voltage and current to a given load as the original circuit that it replaces.

  • A. True
  • B.False

13) Is AC Analysis is used to calculate the small-signal response of a circuit?

  • A. Yes
  • B.No

14) In applying the superposition theorem, ___.

  • A. the sources are considered one at a time with all others replaced by their internal impedance
  • B.all sources are considered simultaneously
  • C.the sources are considered one at a time with all others replaced by their internal resistance
  • D.all sources are considered independently

15) Which one of the following is not the step to analyze an AC circuit?

  • A. Transform the circuit to the phasor or frequency domain.
  • B.Solve the problem using method analysis or theorem circuit techniques.
  • C.Transform the resulting phasor to the time domain.
  • D.None of the above

16) In an ac circuit, power to the load peaks at the frequency at which the load impedance is the complex conjugate of the output impedance.

  • A. True
  • B.False

17) Is Thevenin's theorem, as applied to ac circuits, provides a method for reducing any circuit to an equivalent form that consi.sts of an equivalent ac voltage soarce in series with an equivalerut impedance?

  • A. Yes
  • B.No

18) Thevenin's equivalent voltage is defined as the ____ between two specified terminals in a circuit.

  • A. open circuit voltage
  • B.closed circuit voltage
  • C.open circuit current
  • D.None of the above

19) What do you mean by Norton's equivalent current?

  • A. the open-circuit current between two specified terminals in a given circuit.
  • B.the short-circuit current between two specified terminals in a given circuit
  • C.total current between two specified terminals in a given circuit.
  • D.None of the above

20) The complex conjugate of 50 Ω +j100 Ωis

  • A. 50fΩ-j50 Ω
  • B.100Ω+j50 Ω
  • C.100 Ω -j50
  • D.50 Ω -j100 Ω

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