15 positive charges of q are distributed uniformly over the circumference of a circle with radius a. Then another charge of +Q is placed at the center of the circle. Which of the followings are true for this system? 1. +Q The force acting on +Q is zero. II. If +Q is displaced perpendicular to the surface by a small amount and released, it does not come back to the center. II. The electrostatic potential energy of +Q is 15q IV. The magnitude of the electric field on +Q is 159Q

15 positive charges of q are distributed uniformly over the circumference of a circle with radius a. Then another charge of +Q is placed at the center of the circle. Which of the followings are true for this system? 1. +Q The force acting on +Q is zero. II. If +Q is displaced perpendicular to the surface by a small amount and released, it does not come back to the center. II. The electrostatic potential energy of +Q is 15q IV. The magnitude of the electric field on +Q is 159Q

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section16.2: Electric Potential And Potential Energy Of Point Charges

Problem 16.6QQ: A spherical balloon contains a positively charged particle at its center. As the balloon is inflated...

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