نقطة واحدة The efficiency for 5-unit string of insulators for the value of K= 0.069, Vt=25V is. If the test result (V1=3.7, V2=4.09, V3=4.06, V4=5.5, V5=6.9) * volts a) 72.4% b) 65.7%
نقطة واحدة The efficiency for 5-unit string of insulators for the value of K= 0.069, Vt=25V is. If the test result (V1=3.7, V2=4.09, V3=4.06, V4=5.5, V5=6.9) * volts a) 72.4% b) 65.7%
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter30: Dc Motors
Section: Chapter Questions
Problem 6RQ: What is CEMF?
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![نقطة واحدة
The efficiency for 5-unit string of
insulators for the value of K= 0.069,
Vt=25V is. If the test result (V1=3.7,
V2=4.09, V3=4.06, V4=5.5, V5=6.9)
* volts
a) 72.4%
b) 65.7% O
c) 52% O
d) 10.4%
e) None the above O](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faf5bf9c8-d2a3-41c2-ba50-46ef5159ca41%2F7018d316-872a-4621-bd6d-84c6b2e1d89a%2Fxpqqus_processed.jpeg&w=3840&q=75)
Transcribed Image Text:نقطة واحدة
The efficiency for 5-unit string of
insulators for the value of K= 0.069,
Vt=25V is. If the test result (V1=3.7,
V2=4.09, V3=4.06, V4=5.5, V5=6.9)
* volts
a) 72.4%
b) 65.7% O
c) 52% O
d) 10.4%
e) None the above O
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