Engineering Board Exam Reviewer · Energy and Power · easy

A 100, resistor is connected across a 10 V source. What power does it dissipate?

  1. 1 W
  2. 0.1 W
  3. 10 W
  4. 100 W

Answer

A. 1 W

Solution

P=V2/R=102/100=1 W.

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