Three 1.5 V cells in series have a total e.m.f. of:

  1. 1.5 V
  2. 4.5 V
  3. 3.0 V
  4. 0.5 V
Answer

B) 4.5 V

e.m.f.s add in series. SLO P-09-E-15 · Application

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