Answer / yuvi

The colour of an LED is determined by the semiconductor
material used in it

Answer / ragu

THE FACTORS DEPEND UPON THE WAVE LENGTH OR FREQUENCY OF THE
LIGHT EMITTED. IT IS BASICALLY DEPENDS UPON THE CHARGE THAT
IS DISCHARGE DURING THE JUMPING OF ELECTRONS FROM HIGHER
ENERGY LEVEL TO LOWER ENERGY LEVEL..

Answer / kaparapu sreekanth

colour of LED depends on frequency,so colour of light varies by adding impurities while doping

where used of HVDS system.

3 Answers  

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How to PLC give the command to electrical

1 Answers  

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The transmission does not have options: a)Partition noise b) Flicker noise c) resistance d) Short noise and reason

0 Answers  

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1. What are the types of Transformer?

1 Answers   Valdel,

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How to check the LM324 Ic

0 Answers  

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As per which Indian Standard induction motors are manufactured?

2 Answers  

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why we choose 50 or 60 hertz not other value for the power system?

4 Answers  

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Give me check-list for electrical preventive maintenance of machine tool.

1 Answers  

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Which is is best option for 33 kv line incomer.I am Desinging the panel for new projects and i would like to get Your opinion on this Vcb or sf6. Please help me with your replies. Thanks D p singh

6 Answers  

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What is the Diesel consumption between 82KVA DG Set and 180KVA DG Set for 1 hour.

1 Answers  

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why we do occ & scc test in transformer ?how we can do it ?

2 Answers  

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what type of earthing is done on hilly rocks.

4 Answers  

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