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Before winding resistance measurement the transformer shall be at rest in a constant ambient temperature for at least _________ .
1 hour
2 hour
3 hour
5 hour
3 hour
Quick Summary: Practice and solve "Before winding resistance measurement the transformer shall be at rest in a constant ambient tempera..." for Electrical - Economics for Engineers. The correct answer is Option C: 3 hour. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(c) **