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In an electrostatic voltmeter the full scale deflection is obtained when the moving plate turns through 90°. The torsional constant is 10x10 N-m/rad. The relation between the angle of deflection and capacitance between the fixed and moving plates is given by Deflection (degree) 0 20 30 40 50 10 60 70 80 272 294 316 Capacitance (PF) 81.4 121 156 189.2 220 246 Find the voltage applied to the instrument when the deflection is 90%? 90 334

In an electrostatic voltmeter the full scale deflection is obtained when the moving plate turns through 90°. The torsional constant is 10x10 N-m/rad. The relation between the angle of deflection and capacitance between the fixed and moving plates is given by Deflection (degree) 0 20 30 40 50 10 60 70 80 272 294 316 Capacitance (PF) 81.4 121 156 189.2 220 246 Find the voltage applied to the instrument when the deflection is 90%? 90 334

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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In an electrostatic voltmeter the full scale deflection is obtained when the moving plate turns through 90°. The torsional constant is 10x10 N-m/rad. The relation between the angle of deflection and capacitance between the fixed and moving plates is given by Deflection (degree) 0 10 20 30 40 50 60 70 80 Capacitance (PF) 81.4 121 156 189.2 220 246 272 294 316 Find the voltage applied to the instrument when the deflection is 90%? 90 334
Transcribed Image Text:In an electrostatic voltmeter the full scale deflection is obtained when the moving plate turns through 90°. The torsional constant is 10x10 N-m/rad. The relation between the angle of deflection and capacitance between the fixed and moving plates is given by Deflection (degree) 0 10 20 30 40 50 60 70 80 Capacitance (PF) 81.4 121 156 189.2 220 246 272 294 316 Find the voltage applied to the instrument when the deflection is 90%? 90 334
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