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cookiemnstr510510

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## Homework Statement

Derive the electric field a distance, z, above the center of a single uniformly charged ring of radius, R, with a linear charge density, λ. You are now given two uniformly charged concentric rings. The inner ring has radius, R, and carries a uniformly distributed total charge +[Q]. The outer ring has radius 3R and carries a uniform charge per length, λ. If the resulting electric field from the two rings is zero at an axial height of z=2R above the centers of the two rings, determine the value of λ.

Im wondering if I've solved for λ correctly

## Homework Equations

All relevant equations and work are attached in with clean typed images/work

## The Attempt at a Solution

All relevant equations and work are attached in with clean typed images/work

Thanks