why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

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Why charcoal and salt add in earthing pit.

6 Answers   Garware, NTPC, Sterling Wilson,

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Generally in d.c. circuits the direction of current is from possitive to negative.In a.c.circuits what is the direction fo current flow

4 Answers  

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If a Power Transformer Fails and the transformer manufacturer suggest that "Do all electrical test on the transformer?". What are the test to be conducted in this condition?

5 Answers  

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how to set relay setting? and example calculation...

0 Answers   JSW,

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What is auto changeover and how it works plz write details.

3 Answers  

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what is a power factor?

0 Answers   MPWU Kiribati, Thermo,

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How to find synchronous motor speed formula Ns=120f/P ?....

2 Answers   Cranedge,

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What do you mean by creepage distance?

4 Answers   Amara Raja,

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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Why we are measured insulation resistance applied through DC Voltage?

3 Answers  

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in general it is observed in power stations, the tertiary winding is used in higher rating Y-Y auto transformer but not in Y-Y power transformer. is the tertiary winding is compulsory then why it is not using in power transformer 

0 Answers  

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