Voltage from a continuous distribution of charge.a. A positively charged rod of length L, and uniform line charge density 2 , is placed along they-axis as shown in the drawing. The origin of the coordinate system is located at the centerof the rod. Calculate the electric potential (voltage) at point P on the x axis.{Express your answer in terms of L, 2, and x.}b. Now a point charge, q, is brought in from very, very far away, and then placed at point P,while the charged rod remains fixed in position.What is the change in electric potential energy of the system?{Express your answer in terms of L, 2, q, and x.}Obtain Credit: You must properly set up and solve the integral, and show alL work, includingoper labeling on the diagram. MISSING WORK NO CREDIT; NO EXCEPTIONS;у ахis>x axis

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