Both of them, please. 6. Given a potential, V = a/x? + b/x* . What is the expression for the Electric Field? If a = 0.02and b = 0.006 , At what value of x does the potential have its minimum value?7. A parallel plate capacitor is constructed of two sheets of aluminum , 20.0 cm by 80.0 cm,separated by a layer of air, dielectgric constant K = 1, which is 0.025 mm thick. (a) What is itscapacitance? (b) If it is connected to a 40.0 volt battery, what will be the charge on thecapacitor? (c) What is the energy stored on the capacitor? (d) What is the electric field insiethe capacitor? (e) a dielectric material with a dielectric constant K = 4.50 replaces the airbetween the plates, what is the new capacitance?

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Answered: Given a potential, V = a/x? + b/x .…

Given a potential, V = a/x? + b/x . What is the expression for the Electric Field? If a = 0.02 and b = 0.006 , At what value of x does the potential have its minimum value?

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 26.8P

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Both of them, please.

6. Given a potential, V = a/x? + b/x* . What is the expression for the Electric Field? If a = 0.02
and b = 0.006 , At what value of x does the potential have its minimum value?
7. A parallel plate capacitor is constructed of two sheets of aluminum , 20.0 cm by 80.0 cm,
separated by a layer of air, dielectgric constant K = 1, which is 0.025 mm thick. (a) What is its
capacitance? (b) If it is connected to a 40.0 volt battery, what will be the charge on the
capacitor? (c) What is the energy stored on the capacitor? (d) What is the electric field insie
the capacitor? (e) a dielectric material with a dielectric constant K = 4.50 replaces the air
between the plates, what is the new capacitance?

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