One Very Small Uniformly Charged Plastic Ball Is Located Directly

question 48

Multiple Choice

One very small uniformly charged plastic ball is located directly above another such charge in a test tube as shown in the figure.The balls are in equilibrium a distance d apart.If the charge on each ball is doubled,the distance between the balls in the test tube would become

• A) d.
• B) 2d.
• C) 4d.
• D) 8d.

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Proto-Onco Gene

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The double layer of lipids surrounding the cell's cytoplasm, controlling the entry and exit of materials to and from the cell.