Mathematics · Speed and Frequency
At what synchronous speed (in rpm) must a 4-pole alternator be driven so as to generate a voltage at a frequency of 25 Hz?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 13000 rpm
- 2750 rpm✓
- 31500 rpm
- 41000 rpm
Correct answer
750 rpm
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 Speed and Frequency MCQs →Want more practice questions on Speed and Frequency?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Speed and Frequency