If the pu impedance of a single-phase transformer is 0.01 + j0.05, the – McqOptions

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1.	If the pu impedance of a single-phase transformer is 0.01 + j0.05, then its regulation at p.f. of 0.8 lagging will be ______.
A.	+2.2%
B.	-3.8%
C.	+3.8%
D.	-2.2%
Answer» D. -2.2%

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