डीसी सीरीज मोटरों को बिना लोड (no-load) के चालू या संचालित नहीं किया जाना चाहिए क्योंकि:

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?