gruba Messages 203 Reaction score 1 Thread starter Aug 22, 2015 #1 Homework Statement Find potential of a uniformly charged rod of length 2a Homework Equations -Superposition The Attempt at a Solution [tex]dV=\frac{kλdx}{r}, r=x[/tex] [tex]V=λk\int\limits_{-a}^a \frac{1}{x}\mathrm dx=0[/tex] Potential at point B is zero. Is this correct? Attachments image.PNG 1.2 KB · Views: 486
Homework Statement Find potential of a uniformly charged rod of length 2a Homework Equations -Superposition The Attempt at a Solution [tex]dV=\frac{kλdx}{r}, r=x[/tex] [tex]V=λk\int\limits_{-a}^a \frac{1}{x}\mathrm dx=0[/tex] Potential at point B is zero. Is this correct?
BvU Science Advisor Homework Helper Messages 16,222 Reaction score 4,937 Aug 22, 2015 #2 No. Your integral doesn't exist. But even before, what is it you are integrating, and over what are you integrating ? As a check: it is likely that V = 0 at infinity, so it can't be 0 at pont B.
No. Your integral doesn't exist. But even before, what is it you are integrating, and over what are you integrating ? As a check: it is likely that V = 0 at infinity, so it can't be 0 at pont B.
