Answer / m,ubaidullah khan

the beneficial part of the power supplied to the circuit
that the circuit actually performs work i.e ratio of real
power to apparent power is called power factor

Answer / ali

The cosec angle bt voltage and curent is called power factor

Answer / waqar khan

P=VIcos@
IN SIMPLY COS@ IS THE POWER FACTOR.

is there any current flows in our body?

4 Answers  

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brief notes on ammeters

0 Answers  

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????

2 Answers  

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What is the difference between Earth and Neutral?

2 Answers  

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what is nuetral grounding

2 Answers  

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I have 90KW Motor 60 Hz,380V Pf 0,88. after testing the Motor without Load is the no load Current 36 A,but wenn i put load after 2 hours the current increase more than 156 A. Can anybode tell me waht is the Problem?

4 Answers   ABB,

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if an insulated power and control cables of a running gas diesel gensets laid direct in an open trench i.e, trench bed is not rcc of a power house in which rain water, spillage water alwas exists and all power control cables remains submerged even when gas gensets of 480 kw each runningin on load. These power &control cables runs from power house to switchgear room through these trenches in which water remains most of the time. pl explain its merit & de-merit

0 Answers  

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what is the main difference b/w contactor and relay

2 Answers   Pace Pharmaceuticals,

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how do we fix the rating of mcb required for a specific capacity of the electric motor

2 Answers  

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What is the difference between solid grounding and impedance grounding?

0 Answers  

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what is Aircraft earthing and what does it do?

6 Answers  

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