Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Concept explainers

Single Phase AC Circuit
Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.
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The disc in a single-phase energy meter rotates 2560 times when measuring a 40 V, 8 A load at unity power factor over a period of 10 hours. Calculate the meter constant. If the meter disc makes 3187 revolutions when measuring the energy supplied to a 40 V, 5 A load for 24 hours, calculate the load power factor. [Power factor = 0.829] <>
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Transcribed Image Text:The disc in a single-phase energy meter rotates 2560 times when measuring a 40 V, 8 A load at unity power factor over a period of 10 hours. Calculate the meter constant. If the meter disc makes 3187 revolutions when measuring the energy supplied to a 40 V, 5 A load for 24 hours, calculate the load power factor. [Power factor = 0.829] <>
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