

MCQOPTIONS
Saved Bookmarks
1. |
Why efficiency of a transformer, under heavy loads, is comparatively low? |
A. | Copper loss becomes high in proportion to the output |
B. | Iron loss is increased considerably |
C. | Voltage drop both in primary and secondary becomes large |
D. | Secondary output is much less as compared to primary input |
Answer» B. Iron loss is increased considerably | |