whata is battery charger ?how many cells connected for 110v?

1 Answers   Essar,

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how much current capacity of 300 sq. mm cable (4 core aluminium) and 150 sq. mm cable ( 4 core aluminium)

3 Answers   Bhel, RR Kabel,

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What is the purpose of earthing Truck ? How does it work for busbar and cables?

1 Answers  

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How we select the vector group of 3phase power transformer?

0 Answers   wbsedcl,

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how to calculate the powerfactor in induction motor having name plate details? for example 1 h.p motor 1.86 A 415 V

6 Answers  

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when we connect a CT in the line will there be any loses in the line due to the mutual inductance of the CT.

1 Answers  

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what is meant by neutral Ct of a transformer and how it connected in transformer

4 Answers  

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Is the force acting between two parallel conductors of infinte length carrying AC of frequency 50Hz remians constant with respect of time? If not then what would be the frequency of the force acting?

1 Answers  

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how to carried out tan delta test in 11 KV alternator ?

0 Answers  

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Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?

3 Answers  

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what is the ohmic value of transformers

1 Answers  

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and gate circuit diagram,amplifier circuit diagram

0 Answers   NHPC,

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