An electroscope is a simple device consisting of a metal ball that is attached by a conductor to two thin leaves of metal foil protected from air disturbances in a jar, as shown in the sketch below. When the ball is touched by a charged body, the leaves that normally hang straight down spread apart. Why?
An electroscope is a simple device consisting of a metal ball that is attached by a conductor to two thin leaves of metal foil protected from air disturbances in a jar, as shown in the sketch below. When the ball is touched by a charged body, the leaves that normally hang straight down spread apart. Why?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 15CQ: A common demonstration involves charging a rubber balloon, which is an insulator, by rubbing it on...
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