1-what is signal?2-What is Gsm?3-What about AMPS?4-What EDGE?5-What is GPRS?6-What is Ciphering?7-Difference Between Noise and Attenuation?

rahulr30

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• May 30th, 2008

GSM-The Global System for Mobile Communications (GSM)GPRS-General Packet Radio ServiceEDGE -Enhanced DataRates for GSM Evolution

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s.v.vijayaraj

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• Apr 21st, 2008

Introduction Particle swarm optimization (PSO) is a population based stochastic optimization technique developed by Dr. Eberhart and Dr. Kennedy in 1995, inspired by social behavior of bird flocking o...

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s.v.vijayaraj

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• Apr 19th, 2008

           It is simple to find the teriminals in the SCR and Transistor, Where the SCR is in Flat package Transistor in metal can package.Also the th...

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What is Magnetic Levitation ?How MAGLEV (Trains based on Magnetic Levitation) works ?

arunkpkrn

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• Apr 15th, 2008

Magnetic levitation, maglev, or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields. But train operating on Magnetic levitation is unknown to me.

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What is difference between potentiometer and rheostat?

bittu123

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• Nov 9th, 2011

Rheostate is variable resistance has only two leads. potentiometer differs in working principal as it has three leads and works on potential divider method

s.v.vijayaraj

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• Mar 31st, 2008

The difference between potentiometer and rheostat is that the potentiometer can be used for high range of?voltage and current but the rheostat cannot be used for high range of voltage or current.?Size of the potentiometer is large, rheostat is less.byS.V.Vijayaraj

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Why we cannot use the capacitive load?

haveasafeday

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• Feb 5th, 2008

Capacitive load means a load with leading power factor which is very rare in electrical equipment.though syncronous motor is used as a capacitive load.

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haveasafeday

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• Feb 5th, 2008

Frequency of DC system is Zero. how can f is there?

er.vikasharma

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• Jan 5th, 2008

In DC, frequency is constent not zero,we say Skin effect & no corone loss occur is the main reason of less losses in DC then AC supply.

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Whats happens when we give DC to a induction motor

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haveasafeday  

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• Member Since Feb-2008 | Feb 5th, 2008

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In dc there is no rotating magnetic flux which is required to rotate ac motor. if we apply dc to ac motor, it may burn.

haveasafeday

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• Feb 5th, 2008

In dc there is no rotating magnetic flux which is required to rotate ac motor. if we apply dc to ac motor, it may burn.

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shareek

• Nov 19th, 2007

firstly DIV means division. know 100V/DIV or 50A/DIV are usually the scales that are read on the OSCILLISCOPE. so if you see a waveform and you  have the scale set to 100v/DIV, it means that if y...

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