Engineering Board Exam Reviewer · Energy and Power · medium

Two resistors, 10, and 15, , are connected in series across 50 V. What is the total power dissipated?

  1. 250 W
  2. 66.7 W
  3. 100 W
  4. 41.7 W

Answer

C. 100 W

Solution

RT=25, , so P=V2/RT=502/25=100 W.

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