# This Question Has 3 Parts: Involves Electric Fields and Voltages on a Box.

**Question description**

Consider a hollow cubic box with conducting sides of length L, centered at the origin with sides parallel to the axis in Cartesian coordinates. The sides at x=L/2 and y=L/2 are at voltage Vnot. All other sides are at voltage zero.

a. Find the series that gives the voltage inside the cube

b. Find the series that gives the electric field at points inside the cube.

c. Evaluate it to find the electric field at the point (L/3,0,0) to three significant figures.

Take Vnot=1000 and L=.10 meters

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