1thanks i'll try that
A uniform charge density σ is given to a non conducting uniform disc of radius r,what is the potential of a point at the circumference
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2 Answers
39potential is πR/2ε here εis permitivity f free space [εnought cant be typed here na.]
the derivation is cumbersome. R IS THE RADIUS OF THE DISC.
TIPS FOR DRIVATION: to calculate the potential at a point A on the circumference, divide the disc into large number of rings with A as centre. then continue with integrations.