Define conversion efficiency of a power amplifier.

0 Answers  

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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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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Why we generate power at multiple of 11 i.e 11kv,33kv etc.

9 Answers   DTV Solutions, Havells, TCS,

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what is the difference between elcb and rccb ?

0 Answers   Trident,

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How can we calculate the power factor of an electrical appliance ? Is there any formula ? Is there any meter around to calculate it ? And how to use that meter ? thanks

2 Answers   Essar, Philips,

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

0 Answers   DAE,

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what is idmt relay

1 Answers  

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what is meant by class 1 E in electrical power supply?

0 Answers  

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How core saturation effects the secondary voltage (whats the theory) of a current transformer in service?

1 Answers  

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how to select the double earth conductor if 21A full load?

0 Answers   L&T,

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can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

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