In the Figure, Point a Is a Distance L Away

question 19

Multiple Choice

In the figure, point A is a distance L away from a point charge Q. Point B is a distance 4L away from Q. What is the ratio of the electric field at B to that at A, E_B/E_A?

• A)1/16
• B)1/9
• C)1/4
• D)1/3
• E)This cannot be determined since neither the value of Q nor the length L is specified.

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