17th
Apr
Circuit Theorems and Conversions MCQ

Circuit Theorems and Conversions MCQ

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  • 17th Apr, 2021
  • 377 Followers

Circuit Theorems and Conversions MCQ Test

Following are mostly asked Circuit theorems and conversions MCQ test that are designed for professionals like you to crack you interviews. You can take this Circuit theorems and conversions online test before appearing to you real interview. This Circuit theorems and conversions quiz there are around 30+ multiple choice questions on Circuit theorems and conversions with four options.

1) A 12 V source has an internal resistance of 90 Ω. If a load resistance of 20 Ω is connected to the voltage source, the load power, PL, is

  • A. 23.8 W
  • B. 238 mW
  • C. 2.38 W
  • D. 2.38 mW

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

  • A. True
  • B. False

3) An 18 V source has an internal resistance of 70 Ω. If a load resistance of 33 Ω is connected to the voltage source, the load power, PL, is

  • A. 175 mW
  • B. 18 mW
  • C. 1 W
  • D. 0 W

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

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

5) Transistors act basically as voltage sources.

  • A. True
  • B. False

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

  • A. False
  • B. True

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

  • A. True
  • B. False

8) A transistor is basically ____.

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

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

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

10) The superposition theorem is applicable to:

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

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

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

12) Transistors act basically as voltage sources.

  • A. True
  • B. False

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

  • A. True
  • B. False

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

  • A. True
  • B. False

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

  • A. True
  • B. False

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