what modulation is used in landline telephone signals?

2 Answers  

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what is the different between counterpoise earthing and pipe earthing?

1 Answers  

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Here iam a question with SYNCHRONIZATION PANNEL related issue, as i want to design a SYNC.pannel board iam giving the 2 nos of 1MVA Generators to sync pannel , then what wil be the out put of the sync pannel, whether it wil be one cable coems from the sync panel or two cables.. as iam using two transformers to meet my load demand, so pls clear me whether two cables comes from sync panel to connect to transformers or only one cable

3 Answers  

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What is a liquid resistance starter?where it is used??

15 Answers   Mecon,

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tell me the operation of ELCB. How it detects a fault?

4 Answers  

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carbon zinc cell voltage?

3 Answers  

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what is sinwave ups

1 Answers   Exide,

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what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

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what is diffrence between primary & secondry transformer?

3 Answers  

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pls define kvarh

2 Answers  

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why the air gap is necessary in the transformer core

1 Answers   Eskom,

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How to calculate the current of Highpressure Mercury Vapour Lamp?what is the basis?whether we have to consider power factor or not?

0 Answers   Divis Laboratories,

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