Engineering Board Exam Reviewer · Energy and Power · easy

The source in the circuit shown is 48 V and the resistor is 12, . How much power does the source deliver?

  1. 96 W
  2. 576 W
  3. 8 W
  4. 192 W

Answer

D. 192 W

Solution

I=V/R=4 A, so P=VI=(48 V)(4 A)=192 W.

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