In the figure below, a nonconducting thin rod of length L has a linear charge density −λ uniformly distributed along its length. (a) What is the electric potential at the location of point P, a distance a from the rod? (b) What are the magnitude and direction of the electric field produced at point P, a distance a from the rod?

In the figure below, a nonconducting thin rod of length L has a linear charge density −λ uniformly distributed along its length. (a) What is the electric potential at the location of point P, a distance a from the rod? (b) What are the magnitude and direction of the electric field produced at point P, a distance a from the rod?

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In the figure below, a nonconducting thin rod of length L has a linear charge density λ uniformly distributed along its length. (a) What is the electric potential at the location of point P , a distance a from the rod? (b) What are the magnitude and direction of the electric field produced at point P , a distance a from the rod?

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