यदि V/f अनुपात को नियत रखते हुए एक ट्रांसफॉर्मर की आपूर्ति आवृत्ति (supply frequency) को दोगुना कर दिया जाए, तो:

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?