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## Homework Statement

At a given instant, a 3.8 A current flows in the wires connected to a parallel-plate capacitor. What is the rate at which the electric field is changing between the plates if the square plates are 1.76 cm on a side?

## Homework Equations

## The Attempt at a Solution

I don't really know where to start...

Could you use the change in length=perm of free space(I +E(sub o)*Change in E) ? I don't know if this is even an equation..

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