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. The instruments used are voltmeter of 200V and ammeter of 1A. Then the results ___________
A. will be wrong
B. will be accurate
C. of ammeter will burn
D. none of the mentioned
Answer:C
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. The instruments used are voltmeter of 200V and ammeter of 1A. Then the results ___________
A. will be wrong B. will be accurate C. of ammeter will burn D. none of the mentioned