why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 Answers   HPCL,

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How to Measure A.C Resistance for Earthing ?

2 Answers  

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why CT output is always raetd 5.regardsof primery curre.

3 Answers   ABB, BARC,

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when is the Ohms law is applicable?

11 Answers   ABB,

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what is the difference b/w circuit breakers and relays?

3 Answers  

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what is bus coupler, where it used.

14 Answers   Diebold,

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what are the types in Relay?

1 Answers   PLA,

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what is stper motor

0 Answers   Bhel, WAPDA Water and Power Development Authority,

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what is the difference between ac and dc?

1 Answers  

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my company total load is 1000kw, 415volt, all load are inductive load. incoming powerfactor is .8. we want to have0.95 pf connecting capacitors. so now how much rating of capacitors we have to connect? show how?

3 Answers  

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How one can check the charger of the mobile phone or any other charger .......... that is it working ? if , working is it delivering the required supply which is needed by the battery to charge properly ?

4 Answers  

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What is time invariant system?

0 Answers  

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