A straight, non-conducting plastic wire 8.50cm long carries a charge density of +175n c/m distributed uniformly along its length. It is lying on a horizontal table top.
Find the magnitude and direction of the Electric Field that is produced 6.0cm directly above its midpoint.
If the wire is now bent into a circle lying flat on the table, Find the magnitude & direction of the Electric field on a point 6.0cm directly above its center.
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