16th
Feb
Circuit Theorems and Conversions MCQ

Circuit Theorems and Conversions MCQ

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  • 16th Feb, 2023
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Circuit Theorems and Conversions MCQ Questions

Take Circuit Theorems and Conversions MCQ Test to Test Your Knowledge

Practice here the best Circuit Theorem and Conversion MCQ Questions that test your basic knowledge of circuit theorems and conversions. There are 20+ multiple choice questions in this MCQ test. You have to choose the correct answer for all the questions. Apart from this, you can also download here Circuit Theorem and Conversions MCQ PDF completely free of cost.

Circuit Theorems and Conversions MCQ

1) Conversions between delta-type and wye-type circuit arrangements are useful in certain specialized applications.

  • A. True
  • B.False

2) What is the values for an equivalent current source. When A certain voltage source has the values VS = 30 V and RS = 6 ?

  • A. 5 A, 6 Ω
  • B.30 A, 6 Ω
  • C.5 A, 30 Ω
  • D.30 A, 5 Ω

3) An ideal current source has zero internal resistance.

  • A. True
  • B.False

4) A certain current source has the values IS = 4 µA and RS = 1.2 M. The values for an equivalent voltage source are ____.

  • A. 4.8 V, 1.2 M Ω
  • B.1 V, 1.2 M Ω
  • C.4.8 V, 4.8 M Ω
  • D.4.8 V, 1.2 M Ω

5) A transistor is basically ____.

  • A. a current amplifier
  • B.a voltage source
  • C.power
  • D.None of the above

6) A 120 V voltage source has a source resistance RS, of 60 Ω . The equivalent current source is ___.

  • A. 2 A
  • B.4 A
  • C.200 mA
  • D.400 mA

7) A 120 Ω load is connected across an ideal voltage source with VS = 12 V. The voltage across the load is ____.

  • A. 0 V
  • B.120 V
  • C.12 V
  • D.None of the above

8) You cannot convert a voltage source to an equivalent current source, or vice versa.

  • A. False
  • B.True

9) Some circuits require more than one voltage or current source.

  • A. True
  • B.False

10) An ideal current source has ___ in parallel with the source.

  • A. an infinite output impedance
  • B.zero internal resistance
  • C.zero internal impedance
  • D.None of the above

11) What is Norton's equivalent current?

  • A. The current source present in the Norton's equivalent circuit is called as Norton's equivalent current.
  • B.The current source present in the circuit is called as Norton's equivalent current.
  • C.The voltage source present in the Norton's equivalent circuit is called as Norton's equivalent current.
  • D.All of the above

12) A practical current source has a finite internal resistance.

  • A. True
  • B.False

13) A practical voltage source has a nonzero internal resistance.

  • A. True
  • B.False

14) The Thevenin-equivalent voltage is the voltage at the output terminals of the original circuit.

  • A. True
  • B.False

15) A certain voltage source has the values VS = 30 V and RS = 6 Ω. The values for an equivalent current source are ___.

  • A. 5 A, 6 Ω
  • B.30 A, 6 Ω
  • C.5 A, 30 Ω
  • D.30 A, 5 Ω

16) A 2 Ω RL is connected across a voltage source, VS, of 110 V. The source's internal resistance is 24 Ω. What is the output voltage across the load?

  • A. 8.5 V
  • B.85 V
  • C.0 V
  • D.110 V

17) The current source is converted into the equivalent voltage source:

  • A. VS=ISRS
  • B.VS=IS/RS
  • C.V2S=ISRS
  • D.None of the above

18) Superposition works for voltage and current but not power.

  • A. True
  • B.False

19) The superposition theorem is applicable to:

  • A. linear, non-linear and time variant responses
  • B.linear and non-linear resistors only
  • C.linear responses only
  • D.none of the above

20) A voltage source having an open-circuit voltage of 100 V and internal resistance of 50 ω is equivalent to a current source:

  • A. 2 A in parallel with 50 ω
  • B.2 A with 50 ω in series
  • C.0.5 A in parallel with 50 ω
  • D.A in parallel with 100 ω

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