A cell transfers 18 J of energy to 3 C of charge driven round a complete circuit. Its e.m.f. is:

  1. 54 V
  2. 12 V
  3. 6 V
  4. 3 V
Answer

C) 6 V

mathcalE = WQ = 6 V. SLO P-09-E-15 · Application

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