Physics · Semiconductor Devices
A light-emitting diode (LED) produces visible or infrared light primarily when it is:
- 1Forward biased✓
- 2Unbiased
- 3Reverse biased
- 4Operated at absolute zero temperature
Correct answer
Forward biased
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 Semiconductor Devices?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Semiconductor Devices