अल्टरनेटर के वोल्टेज रेगुलेशन को ज्ञात करने की किस विधि को E.M.F. विधि के रूप में जाना 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?