ExamVeda
Login
Home

What is the difference between a CFL and an LED Lamp...

This question belongs to Physics GK Chapter Wise Electricity And Magnetism
Electricity and Magnetism
?

What is the difference between a CFL and an LED Lamp?
1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material.
2. The average life span of a CFL is much longer than of an LED lamp.
3. A CFL is less energy efficient as compared to an LED lamp.
Which of the statements given above is/are correct?

Answer & Solution
Correct Answer: Option C
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Electricity and Magnetism

A mobile phone charger is
A. an inverter B. a ups C. a step up transformer D. a step down transformer
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω B. 20 Ω C. 60 Ω D. 800 Ω
AC and DC are the form of?
A. charge flow B. voltage flow C. water flow D. air flow
Superconductors are substances which
A. conduct electricity at lower temperature B. offer high resistance to the flow of current C. offer not resistance to the flow of current D. conduct electricity at high temperature
More Related Questions on Electricity and Magnetism