Answer / subra

DC system also earthed,
In Tele communication equipments are working in 48V dc system
In this DC system positve is directly Grouded( earthed )
Normally this system is called -48v DC system

Answer / ramprasad

DC has no Leakage current but AC has because there are 3
phases in AC and one common neutral points in AC star
connection

why batteries are rated in ampere hour

1 Answers  

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5 Answers  

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0 Answers  

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Why we generate power at multiple of 11 i.e 11kv,33kv etc.

9 Answers   DTV Solutions, Havells, TCS,

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