Answer / ckm

electrical power consumed by any device is the product of current carried by it and voltage arcoss it.......or...rate of change of electrical energy per unit time...................electrical energy is the product of power consumed and time

Answer / varaprasad inavilli

power is the product of voltage,currnet and power factor(in AC system)

power is the product of voltage,currnet (in DC system)

what is power factor ? why is it so important?

2 Answers   Telco,

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Electromotive force is provided by:(a) Resistance’s(b) A conducting path(c) An electric current(d) An electrical supply source

2 Answers  

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Why is voltage is required to be within permissible range for an electrical equipment?

0 Answers  

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how df/dt relay operates & how it works?

1 Answers  

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Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  

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what is boucholz relay and the significance of it in to the transformer?

2 Answers  

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Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

0 Answers   HCC,

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how does circuit breaker works

1 Answers  

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Why charcoal and salt add in earthing pit.

6 Answers   Garware, NTPC, Sterling Wilson,

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what is the different beetween kva and kwh?

4 Answers  

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How will you utilise electrical power? You can start from the generating station.

0 Answers  

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What is corona loss?

2 Answers   PWD,

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