Two parallel plates 19 cm on a side are given equal and opposite charges of magnitude 2.0 ✕ 10^−9 c. the plates are 1.8 mm apart. what is the electric field (in n/c) at the center of the region between the plates? (enter the magnitude.)

E   = 5291.00 N/C

Explanation:

Expression for capacitance is

where

A is area of square plate

D = DISTANCE BETWEEN THE PLATE

We know that capacitrnce and charge is related as

v = 9.523 V

Electric field is given as

   =

E   = 5291.00 V/m

E   = 5291.00 N/C

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energy stored in the capacitor= 9.72 x 10⁻⁴ j

explanation:

the energy stored in the capacitor is given by

e= 1/2 c v²

e= energy stored

c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f

v= potential difference=36 v

so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)²

energy stored= 9.72 x 10⁻⁴j