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

Related Mcqs:

Sumpner’s test is conducted on transformers to determine_____________?

A. temperature B. stray losses C. all-day efficiency D. none of the above...

Power transformers are designed to have maximum efficiency at___________?

A. nearly full load B. 70% full load C. 50% full load D. no load...

The full-load copper loss of a trans¬former is 1600 W. At half-load, the copper loss will be___________?

A. 6400 W B. 1600 W C. 800 W D. 400 W...

The maximum load that a power transformer can carry is limited by its________________?

A. temperature rise B. dielectric strength of oil C. voltage ratio D. copper loss...

A good voltage regulation of a transformer means________________?

A good voltage regulation of a transformer means A. output voltage fluctuation from no load to full load is least B. output voltage fluctuation with power factor is least C. difference between primary and secondary voltage is least D. difference between primary and secondary voltage is maximum...