2. Below is a cross sectional view of a long cylindrical capacitor with length L. The inner cylinder with radius a carries positive charge +Q and the outer shell with radius 4a carries negative charge -Q. Position A has distance r away from the surface of the inner cylinder and position B has distance 2a away from the surface of the inner cylinder. B • A • 4a a. Please draw the electric field lines inside and outside of the сарacitor. (Hint: there may not be electric field lines in all areas) b. What is the magnitude of the electric field at A? c. What is the electric potential difference between positions A and B?

2. Below is a cross sectional view of a long cylindrical capacitor with length L. The inner cylinder with radius a carries positive charge +Q and the outer shell with radius 4a carries negative charge -Q. Position A has distance r away from the surface of the inner cylinder and position B has distance 2a away from the surface of the inner cylinder. B • A • 4a a. Please draw the electric field lines inside and outside of the сарacitor. (Hint: there may not be electric field lines in all areas) b. What is the magnitude of the electric field at A? c. What is the electric potential difference between positions A and B?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter7: Electric Potential

Section: Chapter Questions

Problem 105AP: An electron has an initial velocity of 5.00106m/s in a uniform 2.0010m/s electric field. The field...

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