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

9 Answers  

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What will be the change in its efficiency and other parameters of a ONAN transformer if it changed to ONAF transformer ?

3 Answers   Tesla,

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Saving in copper achieved by converting a 2 winding transformer in to an auto transformer is determined by A voltage transformation ratio B load on secondary C quality of core material D size of transformer core

0 Answers  

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

0 Answers  

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How many double suspension hardware fittings are required on a double circuit transmission tower?

0 Answers  

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what will happen if dc motor given ac supply

11 Answers   Mahaveer,

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Why is negative feedback invariably preferred in closed loop system?

0 Answers  

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Is it possible to import & export power through the same power transformer? what will be the vector group normally for both different or same?

1 Answers  

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how digital four pin earth resistance tester works

2 Answers  

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what is POTT and PUTT explain?

0 Answers  

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WAT IS MEANT BY COLD AND HOT START OF A MOTOR?? HOW DOES IT AFFECT A MOTOR'S PERFORMANCE??

4 Answers  

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What is PF? Formula for calculating PF in HT side?

10 Answers   HSL,

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