What is the difference between voltages or potential difference? And what are they?

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Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

0 Answers   HPCL,

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primary of transformer connected to Dc supply in series with switch, and secondary connected on ammeter, what happens when swith On and OFF. (or) if continuously On and OFF

9 Answers  

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What is the use of insulation tester and how it is to be used.

2 Answers  

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what is the difference between ac motor and dc generator

0 Answers   ETA,

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design of IGBT firing circuit for 11KV

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Why the power factor improvement is so important in industrial loads

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When Alarm report at LED,Alarm volatge is 11-13 Volt But LED is of 3 volt.then why not it burn?

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What do you mean by lighting transformer?

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what is the difference b/w UHVDC and HVDC(LIGHT)?

4 Answers   L&T,

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Can you explain about Restricited earth fault protection scheme

0 Answers   NCC,

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whenever a squirrel or a crow gets tangled near the out put of the feild transformer there is a discharge of 440 volts of current through the neutral due to which my appliances blow up causing a huge bang.will the RCCB help in these conditions

1 Answers  

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