why white color LED light is not possible?

Answer Posted / mubeen saifi

White colour LED is possible. By combining blue,green and
red colour LEDs in one shell. And by maintaining an optimum
temperature because temperature is responsible for colours
on Kelvin scale.

Is This Answer Correct ?    2 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Tell me about ur past electrical maintanence job

1438


what are the ''pitting rings''and how cn they be controlled in a series generator

1372


how is the connection of a 3 phase ct trivector meter done on a pole mounted transformer

918


what are the basic insulation levels & what its Unit

1496


what will be the effect if you were using different brands of outlets?

1472






how calculated Transformer losses.

1576


i am in need of AC SYNCHRONUS MOTOR 30KW. ANY ONE KNOWS THE MANUFACTURER OF SAME. ALSO MOSFET AC CONVERTER 20KVA CONT.OUTPUT.

1474


Explain using drawings what is reverse PID action w.r.t PID controllers.

2759


what is acceptance test in electrical engineering.

1707


Could u pls tell me the NPCIL electrical engineering interview questions for Executive trainee, and also guide me how to face the interview.

3879


1hp= how much rpm

1590


TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

1580


What are the advantages and disadvantages of closed-loop control system?

711


Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

1234


what's prime importance of protection in electrical system.if protection system don't work properly what can happen in electrical system?

1441