The e.m.f. of a source is equal to the terminal p.d. when:

  1. a large current is drawn
  2. no current is drawn
  3. the circuit is short-circuited
  4. the cell is flat
Answer

B) no current is drawn

No internal loss. SLO P-09-E-16 · Understanding

Physics MCQ · More Current Electricity MCQs · Practise