An engineer working in an electronics lab connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 225 V. Assume a plate separation of d = 1.54 cm and a plate area of A = 25.0 cm?. When the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0. (a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before pC after Q, = pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. C, = AV, = (c) Determine the change in energy (in nJ) of the capacitor. AU = n)

An engineer working in an electronics lab connects a parallel-plate capacitor to a battery, so that the potential difference between the plates is 225 V. Assume a plate separation of d = 1.54 cm and a plate area of A = 25.0 cm?. When the battery is removed, the capacitor is plunged into a container of distilled water. Assume distilled water is an insulator with a dielectric constant of 80.0. (a) Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before pC after Q, = pC (b) Determine the capacitance (in F) and potential difference (in V) after immersion. C, = AV, = (c) Determine the change in energy (in nJ) of the capacitor. AU = n)

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Capacitance And Dielectrics

Section: Chapter Questions

Problem 26.12OQ: (i) Rank the following five capacitors from greatest to smallest capacitance, noting any cases of...

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