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A6 mm PVC sheathed insulated copper 82 m length cable (k-115) is short-circuited when connected to a 231 V supply U the impedance of the short-circuit path is 0.150 the maximum permissible disconnection time required to avoid dangerously raisinig the conductor temperature is about:

A6 mm PVC sheathed insulated copper 82 m length cable (k-115) is short-circuited when connected to a 231 V supply U the impedance of the short-circuit path is 0.150 the maximum permissible disconnection time required to avoid dangerously raisinig the conductor temperature is about:

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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A6 mm PVC sheathed insulated copper 82 m length cable (k=115) is short-circuited when connected to a 231 V supply If the impedance of the short-circuit path is 0.15 Q the maximum permissible disconnection time required to avoid dangerously raising the conductor temperature is about Select one: O a. 3.27 s Ob. 5.1s OC. 1.97 s Od. 7.35 s e. Another answer
Transcribed Image Text:A6 mm PVC sheathed insulated copper 82 m length cable (k=115) is short-circuited when connected to a 231 V supply If the impedance of the short-circuit path is 0.15 Q the maximum permissible disconnection time required to avoid dangerously raising the conductor temperature is about Select one: O a. 3.27 s Ob. 5.1s OC. 1.97 s Od. 7.35 s e. Another answer
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