why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 Answers   NPCIL,

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How to prepare electrical preventive maintenance plan & shedule of machine tools.

2 Answers  

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How test for Ddo vector group test condition?

0 Answers  

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How to increase the specific gravity of DG batteries?

5 Answers   SCS,

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if a motor has 1500rpm then what will its HP?

3 Answers   Willdale,

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What is the tolerence limit between neutral and earth in 230 V AC System?

7 Answers   NTPC,

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how much GROUND & NEUTRAL VOLT maintain in data center.

0 Answers  

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is it possible to step down voltage of single phase from a three phase sysem? explain

2 Answers  

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Distinguish between shunt and series field coil constructions.

2 Answers   BEL,

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what is the major difference between dc generator and synchronous generator?

4 Answers  

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what happens if we give 1-ph supply for 3-ph Bridge rectifier...??

2 Answers   Sanelec,

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Simultaneous trip of incoming and outgoing breakers of 400kv/220kv trnasformer. What are the probable causes?

2 Answers  

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