Answer / bawla

Extra heat is generated due to induction which is impossible in DC current.There is no cop.loss in DC circuits.

Answer / manu

generally heat in dc machine is more than that of ac.

what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

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which type of motor is suitable for water suction pump ?

4 Answers  

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what is reactive and active power?why we need power factor correction?

2 Answers  

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What is the PIU.

1 Answers   Jindal,

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How do we calculate the Out put voltage of generator, after the excitation is being given?

0 Answers  

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What accessories required to give the motor with given circuits and do you know the ratings of those accessories?

4 Answers   Hyundai, TCS,

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Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

0 Answers  

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How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

0 Answers  

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If the Power Factor of generator is 0.85...What does this mean and Can the motors connected to this generator operate at PF more than 0.85 ?

1 Answers  

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what is the chemical name and formula of refrigarent R-134a.

0 Answers   Blue Star,

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what is buffer resistance starter.?.What is the working principle and where it is used..?

0 Answers  

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On monitor it is written that current rating is 2.2 Amps. Is it a monitor current drawing capacity or CPU & monitor. If it is only monitor rating, what will be the rating of only CPU and what will be the power consumption rating of PC, Monitor & Scanner? In net, I learnt that computer consumes only 200-300W while running. With the current rating of 2.2 Amps, how it could be 200-300Watts. Please explain?

3 Answers  

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