1) A charged insulating rod is placed along the x-axis with one end at the origi

Question

1) A charged insulating rod is placed along the x-axis with one end at the origin, as shown below. The rod has length L and carries a total positive charge Q. The charge is distributed along the rod uniformly so that the linear charge density ? = Q/L is a constant.

(a) Calculate E, the electric field at the point P which is on the positive z-axis. Report your answer in unit-vector notation. (Note: you must calculate the components Ex and Ez separately. Use your book and the smaller sketch to the right to help you out.)

(b) Suppose an electron is placed at rest at point P. What is the magnitude of the acceleration of this electron immediately after it is released from rest? (Ignore any effects of gravity.)

Thanks.

Explanation / Answer

www-personal.umd.umich.edu/.../Exam_1_Solution_151_S11.pdf

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