In an actual transformer the iron loss remains practically constant from no load to full load because?

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Answer :

In an actual transformer the iron loss remains practically constant from no load to full load because core flux remains practically constant.

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Related Questions

Description : At full -load of a transformer, the iron loss and copper loss are 3000 W and 4000 W respectively. Then total loss at maximum efficiency is :  (A) 7000 W (B) 6000 W (C) 8000 W (D) 4000 W

Answer : At full -load of a transformer, the iron loss and copper loss are 3000 W and 4000 W respectively. Then total loss at maximum efficiency is : 6000 W

Answer : If the supply frequency to the transformer is increased, the iron loss will increase.

Answer : Iron loss of a transformer can be measured by low power factor wattmeter.

Description : In a given transformer for a given applied voltage, losses which remain constant irrespective of load changes are?

Answer : In a given transformer for a given applied voltage, losses which remain constant irrespective of load changes are hysteresis and eddy current losses.

Description : For a transformer, operating at constant load current, maximum efficiency will occur at?

Answer : For a transformer, operating at constant load current, maximum efficiency will occur at unity power factor.

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