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Network TheorySource Transformation

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

  • AA 4 A current source in parallel with 3 ohm
  • BA 36 A current source in parallel with 3 ohm
  • CA 4 A current source in series with 3 ohm
  • DA 3 A current source in parallel with 4 ohm
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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
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