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

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 3RQ: A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted...

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