Which statement is correct?

  1. p.d. is associated with sources only
  2. e.m.f. is measured in amperes
  3. e.m.f. and p.d. are always equal
  4. e.m.f. is associated with sources; p.d. with components that use energy
Answer

D) e.m.f. is associated with sources; p.d. with components that use energy

Energy in vs energy out. SLO P-09-E-16 · Understanding

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