Three neutral metal balls A, B and C are suspended by cotton threads with B touching C. A negatively charged rod is brought close to A and C is touched with a finger. The finger is then removed under the presence of the rod. After the rod is removed, the charge on the balls will be A BXC OA: neutral B: negative C: negative A: positive B: negative C: negative OA: positive B: negative C: positive A: neutral B: neutral C: neutral A: neutral B: positive C: positive

Three neutral metal balls A, B and C are suspended by cotton threads with B touching C. A negatively charged rod is brought close to A and C is touched with a finger. The finger is then removed under the presence of the rod. After the rod is removed, the charge on the balls will be A BXC OA: neutral B: negative C: negative A: positive B: negative C: negative OA: positive B: negative C: positive A: neutral B: neutral C: neutral A: neutral B: positive C: positive

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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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

Three neutral metal balls A, B and Care suspended by cotton threads with B touching C.
A negatively charged rod is brought close to A and C is touched with a finger. The finger is
then removed under the presence of the rod. After the rod is removed, the charge on the
balls will be
A
A: neutral B: negative C: negative
OA: positive B: negative C: negative
OA: positive B: negative C: positive
A: neutral B: neutral C: neutral
BXC
OA: neutral B: positive C: positive

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