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?

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answerhappygod
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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?

Post by answerhappygod »

a) 3.8%
b) 2.2%
c) -3.8%
d) -2.2%
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