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Network TheoryPower & Energy

A 12 V ideal source is connected across a 4 ohm resistor. The power dissipated in the resistor is?

  • A3 W
  • B12 W
  • C24 W
  • D36 W
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Correct Answer: D. 36 W
Explanation: P = V^2/R = 12^2/4 = 36 W.
Reference: Standard network theory: power & energy
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