नो-लोड (no-load) स्थिति में चलने पर निम्नलिखित में से किस DC जनरेटर का टर्मिनल वोल्टेज शून्य 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?