In the Potier method of voltage regulation, which of the following cha – McqOptions

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1.	In the Potier method of voltage regulation, which of the following characteristics is/are determined by conducting tests on the machines running at synchronous speed?(i) Open-circuit characteristic(ii) Zero power factor (lagging) characteristic(iii) Short-circuit characteristic
A.	(i), (ii) and (iii)
B.	Only (i) and (ii)
C.	Only (i) and (iii)
D.	Only (iii)
Answer» C. Only (i) and (iii)

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