25.a. Which one of the following doc motors powers a cordless appliance? A. A differentially compound motor B. A wound-field shunt motor C. A cumulatively compound motor D. A permanent-magnet motor 25.b. What is the effect of applying a lower-than-rated voltage to a fractional-horsepower motor? A. The motor will start but will not reach the rated speed. B. The motor will operate satisfactorily at 95% of the rated voltage. C. The motor will operate with increased magnetizing current. D. The motor will heat up dangerously.
25.a. Which one of the following doc motors powers a cordless appliance? A. A differentially compound motor B. A wound-field shunt motor C. A cumulatively compound motor D. A permanent-magnet motor 25.b. What is the effect of applying a lower-than-rated voltage to a fractional-horsepower motor? A. The motor will start but will not reach the rated speed. B. The motor will operate satisfactorily at 95% of the rated voltage. C. The motor will operate with increased magnetizing current. D. The motor will heat up dangerously.
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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25.a. Which one of the following doc motors powers a cordless appliance?
A. A differentially compound motor
B. A wound-field shunt motor
C. A cumulatively compound motor
D. A permanent-magnet motor
25.b. What is the effect of applying a lower-than-rated voltage to a fractional-horsepower motor?
A. The motor will start but will not reach the rated speed.
B. The motor will operate satisfactorily at 95% of the rated voltage.
C. The motor will operate with increased magnetizing current.
D. The motor will heat up dangerously.
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