Two Infinite,uniformly Charged,flat Surfaces Are Mutually Perpendicular

question 52

Multiple Choice

Two infinite,uniformly charged,flat surfaces are mutually perpendicular.One of the sheets has a charge density of + 20.0 pC/m²,and the other carries a charge density of -50.0 pC/m².What is the magnitude of the electric field at any point not on either surface?

• A)2.75 N/C
• B)2.82 N/C
• C)3.04 N/C
• D)3.37 N/C
• E)4.45 N/C

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