किसी भी तरफ संदर्भित (referred) ट्रांसफार्मर का समतुल्य प्रतिरोध (equivalent resistance) मुख्य रूप से किसकी गणना के लिए उपयोग किया जाता है?

In a three-phase alternator, the factor that accounts for the reduction in induced EMF because the coils within a phase group are spread across several slots per pole is known as the ________.

Which factor is least significant in determining the rating of a distribution transformer?