निम्नलिखित में से कौन सी एक यूनिवर्सल मोटर की विशेषता नहीं 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?