alleryA battery with emf 12 V and internal resistance 1 Ω drives 2 A current. Find terminal voltage V:
A12 V
B10 V
C14 V
D11 V
Answer & Solution
Correct answer: B. 10 V
V = E - Ir = 12 - 2 × 1 = 10 V. The terminal voltage is less than emf due to internal resistance loss.
Keep practising Current Electricity
Browse all Current Electricity questions for JEE Advanced, or explore more Physics topics.
Related questions