The potential difference between points A and B can be expressed as:
Let A = (x1, y1) and B = (x2, y2) be two points near and on the same side of a charged sheet with surface charge density
+σ. The electric field E due to such a charges sheet has magnitude E = σ/2e0 everywhere, and the field points away from the sheet, as shown in the diagram.
Part A. What is the potential difference VAB = VA – VB between points A and B?
Part B. If the potential at y = ±∞ is taken to be zero, what is the value of the potential at a point VA at some positive distance y1 from the surface of the sheet?
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