Physics · Magnetism
On which of the following principles does an electrical transformer operate?
- 1Joule heating effect
- 2Seebeck effect
- 3Self-excitation only
- 4Electromagnetic induction✓
Correct answer
Electromagnetic induction
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 Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Magnetism?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Magnetism