Source Transformation MCQs

Practice Source Transformation MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Network TheorySource Transformation

A 12 V ideal voltage source in series with a 3 ohm resistor is source-transformed into?

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Correct Answer: A. A 4 A current source in parallel with 3 ohm

Explanation: The equivalent current is I = V/R = 12/3 = 4 A, and the same 3 ohm resistance is placed in parallel.

Reference: Standard network theory: source transformation

Question 2

Network TheorySource Transformation

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Correct Answer: C. A 10 V source in series with 2 ohm

Explanation: The equivalent voltage is V = IR = 5×2 = 10 V, with the 2 ohm resistance in series.

Reference: Standard network theory: source transformation

Question 3

Network TheorySource Transformation

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Correct Answer: C. 4 A

Explanation: Source transformation gives IN=V/R=12/3=4 A, with the same 3 ohm resistance in parallel.

Reference: Standard network theory: source transformation numerical

Question 4

Network TheorySource Transformation

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Correct Answer: C. 40 V in series with 8 ohm

Explanation: Vth=IN RN=5×8=40 V and Rth=RN=8 ohm.

Reference: Standard network theory: Norton to Thevenin numerical