अपने टर्मिनलों पर पूर्ण शॉर्ट-सर्किट की स्थिति के तहत, एक सिंक्रोनस मशीन (synchronous machine) का ऑपरेटिंग पावर फैक्टर होता 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?