WHAT IS MODULATION AND NEED FOR MODULATION ?

1 Answers  

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1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

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difference between alternator & GENERATOR

4 Answers  

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can any one provide some material?

1 Answers  

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What is the difference between air & vaccum circuit breakers?

2 Answers   IOCL,

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i am completed in B.E(Electrical and Electronics Engineering) with 8 months experience in Quality Control Engineer at Bharathi Industries,Coimbatore.

0 Answers  

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What is FM200 Gas??Applications........

0 Answers   Emerson,

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why does spark appears when we swith on the light

1 Answers  

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In ac motor,when dc supply is given what happend to the motor?

3 Answers  

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Star Delta Diagram with full description

0 Answers   SKS Microfinance, Syscom,

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why C.T secondary are rated 5A generally?

13 Answers   ABC, Bhel,

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

0 Answers   RRB,

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