Class 12 · Current Electricity · Practice

R = ρL/A — Previous-Year Questions

1 previous-year questions on R = ρL/A, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Notes Run simulation

Q1. A wire of resistance R is stretched to double its length. New resistance is:

JEE 2019

R = ρL/A previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.