In a transformer, the hysteresis and eddy current losses
depend upon
1.load current
2.maximum flux density in core
3.type of lamination
4.supply frequency
The correct statements are
(a) 1 and 3 (b) 2 and 3
(c) 1 and 4 (d) 2 and 4

Answer Posted / balu

D 2AND4

Is This Answer Correct ?    3 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is Phase margin?

654


why do we carry out winding resistance test?

1846


what is current check gurd relay?

2037


Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

1339


what id a dry type transformers and its function ?

1350






what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

1176


I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1371


we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

5577


Name the types of motors used in vacuum cleaners, phonographic appliances, vending machines,refrigerators, rolling mills, lathes, power factor improvement and cranes.

701


why we need to us lenz's law for synchornous motor

2080


How to design the NGR Resistance

1622


How to perform a DC resistance test In Alternator and their proceduces?

1080


Explain the terms real power, apparent power and reactive power for ac circuits and also the units used.

640


With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1515


Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

4636