November 28, 2015

Homework Help: physics

Posted by lam on Thursday, September 27, 2012 at 2:05am.

Find the electric field strength |E| at point P right above the edge of a metal ring.
The ring has a linear charge density .
Radius of the metal ring is R, the distance from the edge of the metal ring to Point P is D.

thank you for helping.

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