Answer / mrudang

when current flows any equipment , after flowing the
current , because of electromagnetic effect there is some
small current will be there , its called residual current

What is the type of earth fault protection used in battery? explain.

0 Answers   PSEB,

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what kind of material to be used after ngr unit? cu or GI

1 Answers   Michelin,

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tell me about sf6 breakers

4 Answers  

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WHAT IS THE MEANING OF CYWY

1 Answers  

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the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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What is expention fastener (Fan)

0 Answers  

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it says in neutral wire current flows under normal condition, but when we put tester it wont glow, why?

7 Answers   HCL,

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What is advantages of ungrounded neutral?

2 Answers  

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why the vector group of excitation transformer is YD5(150 deg)how is this factor decided.

1 Answers  

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WHAT IS DIFFRENCES DCS & PLC

1 Answers   Essar,

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if 40 watt bulb has higher resistance then a 100watt bulb then according to joul farmula p=I^2R the 40 watt bulb more power consume then 100 watt bulb.

5 Answers  

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An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

0 Answers   HAL,

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