A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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What is the resistance of human body from head to toe?

10 Answers   Bhel, Getco, Infosys,

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how we calculate torque ? how we improve it ?where torque will either motor or generator ?

0 Answers   Reliance,

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what is active power & reactive power?

0 Answers   Avtech, Jindal,

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If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

0 Answers   National Insurance Company Limited,

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what is diversity factor ? plzzzzzz describe me

1 Answers  

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How to operate a ac chilar plant?

0 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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What is a single phase autotransformer?

0 Answers  

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what is the Transmission line differential protection and why differential protection also have backup Line Distance Protection ?

1 Answers  

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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