1.

A single phase transformer of 2200/220 V having rated l.v. current of 150 A has to undergo open circuit test on h.v. side. Which of the below instruments range should be used?

A. 6A, 200V
B. 150A, 22V
C. 60A, 220V
D. 6A, 20V
Answer» B. 150A, 22V


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