   Chapter 15, Problem 4CQ

Chapter
Section
Textbook Problem

Two uncharged, conducting spheres are separated by a distance d. When charge −Q is moved from sphere A to sphere B, the Coulomb force between them has magnitude F0. (a) Is the Coulomb force attractive or repulsive? (b) If an additional charge −Q is moved from A to B, what is the ratio of the new Coulomb force to the original Coulomb force, Fnew/F0? (c) If sphere B is neutralized so it has no net charge, what is the ratio of the new to the original Coulomb force, Fnew/F0?

(a)

To determine

To determine: The nature of the Coulomb force.

Explanation

Explanation:

When charge –Q is removed from sphere A, it becomes positively charged. Therefore, sphere A has a charge of +Q and sp...

(b)

To determine

The ratio of new coulomb force to the original coulomb force.

(c)

To determine

The ratio of new coulomb force to the original coulomb force when sphere B is neutralized.

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