एक तुल्यकालिक मोटर (synchronous motor) का पूर्ण-भार पर्ची (full-load slip) का मान कितना 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?