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if a self-excited dc generator cannot build up the voltage but has NOT lost its residual magnetism, the best course of action is to_____. A. Increase the resistance of the shunt field circuit by increasing the resistance of the shunt field rheostat. B. Reverse the rotation of the prime mover. C. Reverse the shunt field circuit connection. D. Briefly connect the shunt field circuit to an external DC source to strengthen its residual magnetism

if a self-excited dc generator cannot build up the voltage but has NOT lost its residual magnetism, the best course of action is to_____. A. Increase the resistance of the shunt field circuit by increasing the resistance of the shunt field rheostat. B. Reverse the rotation of the prime mover. C. Reverse the shunt field circuit connection. D. Briefly connect the shunt field circuit to an external DC source to strengthen its residual magnetism

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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if a self-excited dc generator cannot build up the voltage but has NOT lost its residual magnetism, the best course of action is to_____.

A. Increase the resistance of the shunt field circuit by increasing the resistance of the shunt field rheostat.

B. Reverse the rotation of the prime mover.
C. Reverse the shunt field circuit connection.
D. Briefly connect the shunt field circuit to an external DC source to strengthen its residual magnetism
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