in question c. equation 1 means the equation below the questions I posted. Solve

Question

in question c. equation 1 means the equation below the questions I posted. Solve the electric field of the finite disc shown for a point P along the r axis. Take the solution for a ring from the lecture notes and apply it to the disc. You need to integrate the electric field of the ring from r = 0 to r = R. Then let the disk radius approach to infinity and find the electric field for an infinite disk. The result should be the same for an infinite plate. Double the result for two parallel plates. Using the electric field you found in part (b) and the definition of potential field (see lecture notes), determine the expression for the potential field between two infinite parallel plates. Correct answer should give you equation (1) in the theory section of this ab handout. Also note that this method is different then the method you used in part 3(e) which gave you equation (1) as well, but in that case Gauss's Law was used. a. dg b. dr c.

Explanation / Answer

Yes, It is the same equation for the potential difference between the two infinite plane parallel plates. As it was mentioned in part(b) the result of finding the potential difference for infinite disk is potential difference between two plates from Gauss law.

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