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An over-excited synchronous motor operating on no-load acts as a:

ASynchronous condenser
BInductive load
CResistive heater
DStep-down transformer

Explanation

When over-excited at no load, a synchronous motor draws leading reactive current, functioning as a variable capacitor (synchronous condenser) to improve power factor.

Submitted by: mcqstutor Team More Electrical Engineering MCQs →

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