How can CALCULAT the current carrying capacity of aluminum and cOpper cables respective of that Sq.mm ? with formulas ?

12 Answers   Bajaj, Eagle, Godawari Power and Ispat, Havells, L&T, Mascot, Polycab, SGML, Sterling Wilson,

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Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

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when a primary current injection test is required, it is accomplished by what?

3 Answers  

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what is interlocing and what is the purpose of this?

4 Answers   L&T,

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Due to velocity saturation, MOSFET reaches saturation a.Before Pinch off b. After pinch off c. At Q point d. Before Q point e. After Q point

1 Answers  

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what is polarity in ac system? and how do identified?

1 Answers  

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how we decide the require size is this for a known current at fuu load?

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Among the following Which is vector quantity? a. Flux b. permitivity c. flux density d. magnetic intensity

2 Answers  

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what is the function of rccb how it diffrentiate between elcb

1 Answers  

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1. Why transfomer reting in KVA and Motor in HP

11 Answers   AirIndia, Jindal, Mind Tree,

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What is the ratio of true power to apparent power in an ac circuit?

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How to discharge the battery as quickly as possible ?

1 Answers  

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