A parallel-plate capacitor has square plates of side s = 2.30 cm and plate separation d = 3.00 mm. The capacitor is charged by a battery to a charge Q = 4.50 µc, after which the battery is disconnected. A porcelain dielectric (x = 6.5) is then inserted a distance y = 1.00 cm into the capacitor (see figure below). Hint: Consider the system as two capacitors connected in parallel. Dielectric K (a) What is the effective capacitance of this capacitor? pF (b) How much energy is stored in the capacitor?

A parallel-plate capacitor has square plates of side s = 2.30 cm and plate separation d = 3.00 mm. The capacitor is charged by a battery to a charge Q = 4.50 µc, after which the battery is disconnected. A porcelain dielectric (x = 6.5) is then inserted a distance y = 1.00 cm into the capacitor (see figure below). Hint: Consider the system as two capacitors connected in parallel. Dielectric K (a) What is the effective capacitance of this capacitor? pF (b) How much energy is stored in the capacitor?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 79P

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