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Network TheoryMaximum Power Transfer

A Thevenin source has Vth = 10 V and Rth = 5 ohm. If RL = 5 ohm, the load current is?

  • A0.5 A
  • B1 A
  • C2 A
  • D5 A
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Correct Answer: B. 1 A
Explanation: Total series resistance is 5+5=10 ohm, so I = 10/10 = 1 A.
Reference: Standard network theory: maximum power transfer
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