119 Shepher
Consider a large flat horizontal sheet with thickness and volume charge density. This sheet is tangent to a sphere with radius R and slame charge density as shen in Fig. 1. Let A be the pisint of urgency, and let & be the point opposite to in the tap side of the sheet. Show that the net upward clectric field (fran the sphere plus the sheet) it in larger than tAif (2/3)
The answer to your question is provided in the image:
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