A source of e.m.f. 6 V and internal resistance 0.5 Ω drives a 2.5 Ω load. The power delivered to the load is:

  1. 5 W
  2. 10 W
  3. 100 W
  4. 20 W
Answer

B) 10 W

I = 63 = 2 A; P = I^2R = 10 W. SLO P-09-E-26 · Understanding

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