A charge q1-2 nC is located at the origin (0, 0) m. A second charge q2 =-8 nC is

Question

A charge q1-2 nC is located at the origin (0, 0) m. A second charge q2 =-8 nC is located at (2, 0) m the x-axis. (a) With the electric potential V 0 at infinity (o), locate the point(s) along the x-axis at which the net electric potential due to the two charges is zero. [25 m-2/3 m] (b) At what point(s) along the y-axis is the net electric potential due to these two charges equal to zero, if possible? If none, justify your answer. 0.516 m] (c) If the position of these charges are switched such that charge 2 nC is now located at the origin (2, 0) m, while the second charge q2-8 nC is placed at (0, 0) m the x-axis, at what point(s) along the y-axis is the net electric potential due to these two charges equal to zero, if possible? If none, justify your answer. [] 1.

Explanation / Answer

c)
If we take any point on the y axis the point is closer to q2 than q1.

and |q2| > |q1|

and the sign of q2 is negative.

so, at every point on the y axis electric potential is negative.

so, there is no point on the y axis where eltric potential is zero.

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