A cell of e.m.f. 12 V and internal resistance 0.5 Ω is connected to a 5.5 Ω resistor. The terminal p.d. is:

  1. 110 V
  2. 11 V
  3. 5.5 V
  4. 22 V
Answer

B) 11 V

I = mathcalER + r = 2 A; V = IR = 11 V (lost volts Ir = 1 V). SLO P-09-E-17 · Understanding

Physics MCQ · More Current Electricity MCQs · Practise