A Disk with a Uniform Positive Surface Charge Density Lies

question 12

Multiple Choice

A disk with a uniform positive surface charge density lies in the x-y plane, centered on the origin.Along the positive z axis, the direction of the electric field is:

• A)in the +z direction
• B)in the -z direction
• C)in the +x direction
• D)in the +y direction
• E)there is no field along the positive z axis

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