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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?

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?

College Physics
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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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?
Transcribed Image Text: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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