Mathematics · Electricity
A wire of a given material has length l and cross-sectional area A, and its resistance is 9 Ω. Another wire of the same material has length l/3 and cross-sectional area 3A. What will be the resistance of the second wire?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 12 Ω
- 20.5 Ω
- 36 Ω
- 41 Ω✓
Correct answer
1 Ω
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Electricity MCQs →Want more practice questions on Electricity?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Electricity