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Network TheoryMaximum Power Transfer

For the previous case with Vth = 10 V, Rth = 5 ohm and RL = 5 ohm, the load power is?

  • A1 W
  • B2.5 W
  • C5 W
  • D10 W
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Correct Answer: C. 5 W
Explanation: The load current is 1 A, so PL = I^2RL = 1^2×5 = 5 W.
Reference: Standard network theory: maximum power transfer
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