Question

A ring of charge with radius R = 1.5 m is centered on the origin in...

A ring of charge with radius R = 1.5 m is centered on the origin in the x-y plane. A positive point charge is located at the following coordinates: x = -10.1 m y = 16.8 m z = 17.1 m The point charge and the total charge on the ring are the same, Q = +22 C. Find the net electric field along the z-axis at z = 1.6 m.

Enet x=?

Enet y=?
Enet z=?

Thanks!!

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Answer #1

Electric field due to the ring on the z axis is

where

The distance from point charge to z=1.6 m is

Electric field due to point charge at z=1.6 m is

Total electric field is

The components are

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