Engineering Board Exam Reviewer · Energy and Power · medium

The source in the circuit shown is 24 V and the resistor is 6, . How much power does the resistor dissipate?

  1. 192 W
  2. 96 W
  3. 144 W
  4. 24 W

Answer

B. 96 W

Solution

I=V/R=4 A, so P=VI=(24 V)(4 A)=96 W (or V2/R).

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