Answer / srikanth john

flow of free eletrons through a conductor by means of
potential difference(voltage) in a direction from +ve
terminal to _ve terminal becoz lower potntial to higher
potential

why the power factor is low at no load?

1 Answers  

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What is the alternate solution for testing of polarity by using polarity tester while its milli ammeter does not works?

0 Answers  

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I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 Answers  

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how to calculate the cable size depending on the amps?

1 Answers   Polycab,

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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resistance of transformer oil=?

1 Answers   HCL,

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Why a transformer Noise during its running condition ?

8 Answers   NTPC,

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As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

0 Answers  

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Motor and transformer working with same principle so why motor rotates while transformer not?

7 Answers  

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why heat produced at junction of two different conductor. what care should be taken to minimize it.

11 Answers   Birla, Maihar Cement,

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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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