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## Homework Statement

## Homework Equations

Φ = M*I

Biot-Savart law

Ampere's law

## The Attempt at a Solution

I have the formula Φ = M*I, which means that to find the mutual inductance I simply need to find the magnetic flux through the top circuit due to the current in the bottom circuit. However, I don't yet have a solid grasp of Ampere's law. Is there a way to use Ampere's law in this situation, or am I going to have to grind it out with Biot-Savart?