- #1

Physics lover

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- Homework Statement
- Find the amount of energy stored in thin cylinder of length l,around a conductor carrying current I as shown.

The figure is in Attempt at a solution.

- Relevant Equations
- E=0.5LI^2

Ampere's Circuital Law

Inductance=Flux/Current

I first calculated Magnetic field at a distance x using Ampere's law.Then i took an element and wrote its inductance using L=Flux/Current.

Then i integrated from a to b.

But i arrived at nothing.

Help.