Electrical Engineering · Illumination Engineering
Which of the following statements best describes the energy efficiency advantage of LED bulbs compared to CFL and incandescent bulbs?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1LEDs have an efficiency of around 130 lumens per watt, making them more than twice as efficient as CFLs and over ten times more efficient than incandescent bulbs.✓
- 2Incandescent bulbs are the most energy efficient but have a shorter lifespan than LEDs.
- 3LEDs produce about the same light output per watt as incandescent bulbs but last longer.
- 4CFL bulbs are more energy efficient than LEDs but produce lower quality light.
Correct answer
LEDs have an efficiency of around 130 lumens per watt, making them more than twice as efficient as CFLs and over ten times more efficient than incandescent bulbs.
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
Preparing for Electrical Engineering?
Practice full-length Electrical Engineering mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Illumination Engineering MCQs →Want more practice questions on Illumination Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Electrical Engineering · Illumination Engineering