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# In the figure a small circular hole of radius R = 2.23 cm has been cut...

## Question

###### In the figure a small circular hole of radius R = 2.23 cm has been cut...

In the figure a small circular hole of radius R = 2.23 cm has been cut in the middle of an infinite, flat, nonconducting surface that has a uniform charge density σ = 4.23 pC/m2. A zaxis, with its origin at the hole's center, is perpendicular to the surface. What is the magnitude of the electric field at point P at z = 2.79 cm?

MESSAGE MY INSTRUCTOR FULL SCREEN PRINTER VERSION BACK NEXT In the figure a small circular hole of radius R = 2.23 cm has been cut in the middle of an infinite, flat, nonconducting surface that has a uniform charge density σ = 4.23 pc/m2. AZ axis, with its origin at the hole's center, is perpendicular to the surface. What is the magnitude of the electric field at point P at z = 2.79 cm? (Hint: See equation E=2to11 superposition.) R2 and use

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