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- Bevw I Conarta In this problem you must first caloulate the potential V at z +L dus to the charged rod. You can then fnd the change in potential energy involved in bringing the point change trom infinity (where V-0) to +L. Positive olectric charge Qis distributed uniformly along a thin rod of length 2a. The rod lies along the z-axis between a -a and a ta Eigure 1). Calculate how much work you must do to bring a positive point chargeg from infinity to the point a+L on the a-axis, where L>a Part A To find V. divide the rod into infinitesimal segments of length de Consider one such segment located at zz. where -asz Sa. What is the potential dV at z+L due to this segment? Express your answer in terms of some or all of the variables Q. a. L, da, . electric constant e, and r, Figure 1 oft > View Available Hint(a) show is side. 78.06707 dV- at wha0 b finliity Submit Previous Anawers round X Incorrect; Try Again; 3 attempts remaining douapadiaA dielectric sphere of radius R and dielec- tric constant e, is hollowed out in the re- gion 0 < R1A conducting sphere A of fadius d Mithi.charge o s placed dondentrically inside a conducting shell B of radius b. B is earthed Cis the common centre of A and B. Which is not correct? .charge Q. is ped concentrically inside a conducting shell B (a) The field at a distance r from C, where aSEE MORE QUESTIONSRecommended textbooks for youPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning