Homework Help: physics

Posted by dede on Tuesday, November 9, 2010 at 1:14am.

Two large circular metal plates are parallel and nearly touching, only 4.1 mm apart. The two plates are connected to the opposite terminals of a 9 V battery.

(a) What is the average electric field strength in the space between the plates?
V/m
(b) What is the electric force on a 15 nC charge located halfway between the two plates? Give your answer in μN.

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