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# The middle conductor is neutral what is the

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Unformatted text preview: ximate magnitude of the electric field at P? (You may assume that the dimensions of the conductors in both the horizontal direction and the direction into the page are much larger that d, and that point P is far from the edge of the conductors). A) B) C) D) E) 100 V/m 250 V/m 200 V/m 50 V/m 150 V/m The electric field inside of the central conductor is zero. Because the central conductor is neutral the charge density on its top and bottom surfaces will be equal and opposite. This means that the field created by the central conductor OUTSIDE of the central conductor will be zero (much like the field above or below a pair of infinite planes with charge of equal magnitude and opposite sign). The distance from the bottom plate to the top plate is 8cm. However, the middle conductor occupies 4cm, so the distance traversed between the plates with nonzero electric field is 4cm. Version 1 Page 6 9. A charge of 3 μC is placed at the center of a spherical cavity within a neutral conductor with a radius of 2 meters, as shown in the diagram. What is the electric field at the outer surface of the...
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