Answer / kapil

for the same power.p=v*i.this is why as voltage increases current decreases

Answer / simon peter

Bcs R=V/I (acc to ohm's law)

Answer / 7873269919

Because in an transformer input power is greter than the
output power or they are equal,so that if we increase the
voltage the current will decreases & vice versa.

State the formula for overall efficiency of thermal power station

0 Answers  

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what is formula in determining the size of Circuit Breaker for transformer with the following specifications. 7 units of 1600 volts (primary) and 400 volts (secondary). Both Primary and Secondary will have a circuit breaker which is SF6. What should be the Switchgear Main Breaker Size anf the sizes of each brances Circuit Breaker for Primary.

1 Answers   ABB,

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How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

0 Answers  

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what is the formula or method to calculate RESIDENTIAL,COMMERCIAL & INDUSTRIAL load power?????

3 Answers   RRB,

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how capacitor control the power factor/

2 Answers   ABB, Apollo,

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generally the electrical equipments not to be operated at leading power factor, why?

2 Answers  

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why we using capacitor in single phase motor ?

14 Answers  

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What is the drawback of class b amplifier?

0 Answers  

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Is there any other method of damping the oscillation in a synchronous motor other than using damper winding and if yes what is it?

2 Answers   IOCL,

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what is the purpose of CT,PT

8 Answers  

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WHY IN THREE PHASE CABLE 440V CURRENT FLOWS IF IN ONE PHASE 230V CURRENT FLOWS ???

3 Answers  

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1. what is difference between VCB and ACB.how its works please explian.

6 Answers   ABB, Accenture, HP, Minda, Mother Dairy, Satyam Pharma,

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