A cell transfers 45 J of energy to 30 C of charge driven round a complete circuit. Its e.m.f. is:

  1. 3 V
  2. 1350 V
  3. 0.75 V
  4. 1.5 V
Answer

D) 1.5 V

mathcalE = WQ = 1.5 V. SLO P-09-E-15 · Application

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