A transformer operates most efficiently at 3/4th full load. Its iron l – McqOptions

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1.	A transformer operates most efficiently at 3/4th full load. Its iron loss (Pi) and full load copper loss (Pc) are related as
A.	\(\frac{{{P_i}}}{{{P_c}}} = \frac{{16}}{9}\)
B.	\(\frac{{{P_i}}}{{{P_c}}} = \frac{3}{4}\)
C.	\(\frac{{{P_i}}}{{{P_c}}} = \frac{4}{3}\)
D.	\(\frac{{{P_i}}}{{{P_c}}} = \frac{9}{{16}}\)
Answer» E.

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