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In the figure a small circular hole of radius R = 2.28 cm has been cut in the middle of an infinite, flat, nonconducting surface that has a
uniform charge density o = 5.30 pC/m². Az axis, with its origin at the hole's center, is perpendicular to the surface. What is the
6
and use superposition.)
2€0
magnitude of the electric field at point P at z = 2.51 cm? (Hint: See equation E =
Number
0.00535
Units
N/C or V/m
(1-√₂²
Z
√₂²³+R²

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