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 / raja

2

Is This Answer Correct ?    0 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which device is used for the source of emission of electrons in a crt?

735


whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

1046


What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

1472


How to calculate multiplication factor in kva example 500kva ans pls ?

1396


how to protect motor in dol starter having capacity of 30 hp.40 hp?

2770






what are the different methods for the starting of a synchronous motor.

648


What is earth?

1800


66kv under ground cable how to layaing in ground any special case two ckt r runing

1544


Dear sir, How to calculate 3.5 core pvc aluminium armoured cable meter wise carrying amps rating.Please give the solution with a good example.

1312


how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

1375


Is it possible to connect a safety device in to parallel?

1563


If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?

1498


Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1474


What are the causes for the failures of sandwich type (Al) busducts?

1433


why we change the direction of winding in rotor ?how we make the north and south pole?

1593