An Insulating Solid Sphere of Radius a Has a Uniform $\rho$

question 11

Multiple Choice

An insulating solid sphere of radius a has a uniform volume charge density $\rho$ and total positive charge q.The strength of the electric field inside the sphere at a distance r from the center (r < a) is proportional to

• A)a.
• B)r.
• C)1/r².
• D)1/r³.
• E)1/a².

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Definitions:

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The ability to understand and apply mechanical concepts and principles to solve problems.

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The extent to which a selection tool predicts, or significantly correlates with, important elements of work behaviour

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A formal assessment in which the performance of an employee is documented and evaluated, typically on a regular basis, such as annually.