- #1

Arman777

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## Homework Statement

Theres a cylinder rod inner radius a outer raidus b.we want to find electric field between a and b,like point r (or radius r) a<r<b.

## Homework Equations

Gauss Law

## The Attempt at a Solution

[/B]I am trying to find Q enclosed but something make me confused.I am taking an integral and I found ##E=\frac {Q} {2π(b^2-a^2)ε_0}## is this correct ?