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)
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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.
9:44
all ull 79% i
Due tomorrow, 9:00 am
DHA) A capacitor bushing forms
arm ab of a Schering bridge and
a standard capacitor of 500 pF
capacitance and negligible loss,
forms arm ad. Arm bc consists of
a non-inductive resistance of 300
Q. When the bridge is balanced
arm cd has a resistance of 72.6
Q in parallel with a capacitance
0.148 micro Farad. 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.
5 points
Add class comment
Your work
Assigned
Add private comment
II
Transcribed Image Text:9:44 all ull 79% i Due tomorrow, 9:00 am DHA) A capacitor bushing forms arm ab of a Schering bridge and a standard capacitor of 500 pF capacitance and negligible loss, forms arm ad. Arm bc consists of a non-inductive resistance of 300 Q. When the bridge is balanced arm cd has a resistance of 72.6 Q in parallel with a capacitance 0.148 micro Farad. 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. 5 points Add class comment Your work Assigned Add private comment II
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