Mathematics · Earthing Systems
A consumer requires a maximum earth resistance of 0.5 Ω. How many identical earth rods, each with a resistance of 20 Ω, must be installed and connected in parallel to achieve this?
- 140✓
- 230
- 320
- 410
Correct answer
40
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!
Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Earthing Systems?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Earthing Systems