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.a. When the core loss of a synchronous motor is measured, the machine is operated A. at rated full-load current. B. with excitation and no load. C. at less than rated speed. D. with its brushes lifted off its slip rings. 6.b. To calculate the armature current of a synchronous generator, you do NOT need to know its A. kilovolt-amperes. B. power factor. C. voltage.

.a. When the core loss of a synchronous motor is measured, the machine is operated A. at rated full-load current. B. with excitation and no load. C. at less than rated speed. D. with its brushes lifted off its slip rings. 6.b. To calculate the armature current of a synchronous generator, you do NOT need to know its A. kilovolt-amperes. B. power factor. C. voltage.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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6.a. When the core loss of a synchronous motor is measured, the machine is operated
A. at rated full-load current.
B. with excitation and no load.
C. at less than rated speed.
D. with its brushes lifted off its slip rings.
6.b. To calculate the armature current of a synchronous generator, you do NOT need to know its
A. kilovolt-amperes.
B. power factor.
C. voltage.
D. losses. 

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