R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Physics Q. Open circuit test on transformer measures (A) Impedance and insulation resistance (B) Voltage regulation (C) Eddy current loss (D) Core loss 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Core loss You must be Logged in to update hint/solution 💬 Discussion 💬 Comment