A parallel-plate capacitor in air has a plate separation of 1.38 cm and aplate area of 25.0 cm2. The plates are charged to a potential difference of 240 V anddisconnected from the source. The capacitor is then immersed in insulting distilledwater (the dielectric constant of water is 80). Determine the potential difference andthe potential energy in the capacitor after immersion.

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Answered: A parallel-plate capacitor in air has a…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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I have a physics question as follows: A parallel-plate capacitor in air has a plate separation of 1.56 cm and a plate area of 25.0 cm2. The plates are charged to a potential difference of 225 V and disconnected from the source. The capacitor is then immersed in distilled water. Assume the liquid is an insulator. (a) Determine the charge on the plates before and after immersion. (b) Determine the capacitance and potential difference after immersion.(c) Determine the change in energy of the capacitor.
A professor designing a class demonstration 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 = 1.47 cm and a plate area of A = 25.0 cm². 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 after AV f (b) Determine the capacitance (in F) and potential difference (in V) after immersion. Cf= = = (c) Determine the change in energy (in nJ) of the capacitor. AU = nJ AV f (d) What If? Repeat parts (a) through (c) of the problem in the case that the capacitor is immersed in distilled water while still connected to the 225 V potential difference. Calculate the charge on the plates (in pC) before and after the capacitor is submerged. (Enter the magnitudes.) before after…
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