A cell of e.m.f. 6 V and internal resistance 1 Ω is connected to a 2 Ω resistor. The terminal p.d. is:

  1. 40 V
  2. 2 V
  3. 4 V
  4. 8 V
Answer

C) 4 V

I = mathcalER + r = 2 A; V = IR = 4 V (lost volts Ir = 2 V). SLO P-09-E-17 · Understanding

Physics MCQ · More Current Electricity MCQs · Practise