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In an actual transformer the iron loss remains practically constant from noload to full-load because | |
A. | value of transformation ratio remains constant [Wrong Answer] |
B. | permeability of tran.sformer core remains constant [Wrong Answer] |
C. | core flux remains practically constant [Correct Answer] |
D. | primary voltage remains constant [Wrong Answer] |
E. | secondary voltage remains constant [Wrong Answer] |