Answered: An empty metal paint can is placed on a…

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

Chapter20: Electric Potential And Capacitance

Section: Chapter Questions

Problem 20OQ: A parallel-plate capacitor filled with air carries a charge Q. The battery is disconnected, and a...

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An empty metal paint can is placed on a marble table, the lid is removed , and both parts are discharged (honorably) by touching them to ground. An insulating nylon thread is glued to the center of the lid, and a penny, a nickel and a dime are glued to the thread so that they are not touching each other . The penny is given a charge of +5 nC, and the nickel and dime are discharged. the assembly is lowered into the can so that the coins hang clear of all walls, and the lid is secured. The outside of the can is again touched momentarily to ground. The device is carefully disassembled with insulating gloves and tools. (a) what charges are found on each of the five metallic pieces? (b) if the penny had been given a charge of +5 nC, the dime a charge of -2 nC, and the nickel a charge of -1 nC, what would the final charge arrangement have been?

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