NEET UG 2021 · Physics · Question 6
NEET 2021 Physics, question 6
Question 6 of the NEET 2021 paper (code O1) is a Physics question from Current Electricity. Its idea, Comparing EMFs via Potentiometer, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q6 · Physics
In a potentiometer circuit a cell of EMF 1.5 V gives balance point at 36 cm length of wire. If another cell of EMF 2.5 V replaces the first cell, then at what length of the wire, the balance point occurs ?
- 164 cm
- 262 cm
- 360 cmOfficial answer
- 421.6 cm
Official answer: option 3 · NTA final answer key
Same idea
The only question on Comparing EMFs via Potentiometer
No other NEET paper from 2017–2026 tested this exact idea.
Comparing EMFs via Potentiometer: every question and how it was framed
The chapter
Current Electricity in ten years of NEET
34 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Kirchhoff's Rules alone had 6.