IR and WR test क्यू किया जाता हे?

why Insulation resistance test? why winding resistance test? IR and WR test on induction motor/transformer/cable? https://t.me/+qthDHy5GN7U5YzVl MOTOR :    • How to check Induction motor winding resis...   TRANSFORMER:    • INSULATION RESISTANCE TEST ON TRANSFORMER ...   CIRCUIT BREAKER:    • IR test of Circuit breaker/ insulation res...   CT:    • VFD के बारे मे INTERVIEW मे पूछे जाने वाले...   MOTOR PM:    • MOTOR का PM कैसे करे ? PM of Induction Motor   #electrical #electricaldrawing #electricalengineering #electricalinterviewquestions