Home/
Competitive Exams/
JEE Main & Advanced/
Physics/
Current Electricity/
Question 31653
JEE Physics · Hard

Current Electricity: Potentiometer Comparison MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
Potentiometer ComparisonHardQuestion 31653

Question

A potentiometer compares EMFs of two cells. If l₁ = 60 cm and l₂ = 45 cm, ratio E₁/E₂ is:
  1. A
    4/3
    Correct
  2. B
    3/4
  3. C
    9/16
  4. D
    1

Correct answer

4/3

Explanation

E₁/E₂ = l₁/l₂ = 60/45 = 4/3.

Review Current Electricity notesStart timed chapter practice