3-फेज इंडक्शन मोटर के गति नियंत्रण (speed control) के लिए निम्नलिखित में से किस विधि का 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?