Answer to Question #298824 in Physics for Salome

Question #298824

A square metal plate with a length of 0.20 m and with a charge of 9.7 x 10 -7 C.

Find the electric field of the square metal plate.

Expert's answer

The electric field of a charged plate

E=\frac{\sigma}{2\epsilon_0}=\frac{Q}{2\epsilon_0 A}

E=\frac{9.7* 10^{ -7}}{2*8.85*10^{-12}*(0.20)^2}=1.37*10^6\:\rm V/m

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