What length of a copper wire of cross-sectional area
Download now India's Best Exam Prepration App
Class 8-9-10, JEE & NEET
Video Lectures
Live Sessions
Study Material
Tests
Previous Year Paper
Revision
Question:
What length of a copper wire of cross-sectional area $0.01 \mathrm{~mm}^{2}$ will be needed to prepare a resistance of $1 \mathrm{k} \Omega$ ? Resistivity of copper $=1.7 \times 10^{-8} \Omega-\mathrm{m}$.