एक ट्रांसफार्मर में, फुल लोड की स्थिति पर शून्य वोल्टेज रेगुलेशन (zero voltage regulation) प्राप्त करना:

In which unit is the power rating of a transformer expressed?

In a transformer, it is generally preferred to wind the low-voltage winding close to the core and the high-voltage winding over the low-voltage winding. What is the primary advantage of this type of arrangement?