NEET UG 2017 · Physics · Question 45
NEET 2017 Physics, question 45
Question 45 of the NEET 2017 paper (code A) is a Physics question from Current Electricity. Its idea, Wire Stretching and Resistance, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q45 · Physics
The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length, its new resistance will be :
- 1nR
- 2
- 3Official answer
- 4
Official answer: option 3 · CBSE official answer key
Same idea
The only question on Wire Stretching and Resistance
No other NEET paper from 2017–2026 tested this exact idea.
Wire Stretching and Resistance: 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. Ohm's Law and Resistance alone had 28.