111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance
111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance
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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111. A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capa citance and negligible loss, forms arm ad. Arm bo consists of a non-inductive resistance of 300 S2. When the bridge is balanced arm cd has a resis- tance of 72.6 12 in parallel with a capacitance of 0.148 uF. The supply frequency is 50 Hz. Calculate the capacitance and dielectric loss angle of capacitor. Derive the equations for balance and draw the phasor diagram under conditions of balance. [Ans. 121 pF; 0.00338 rad] 16.
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