Learning Goals

The Biot-Savart Law

Long Straight Wires

Ampere's Law

Solenoids and Torroids

Magnetic Flux

Gauss's Law for Magnetism

Displacement Current

MU: Magnetic Fields

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Displacement Current

Displacement current is associated with a time-varying electric flux:

 

 

Generalized Form of Ampere’s Law

Including the displacement current in Ampere’s Law makes it a Maxwell Equation:

 

In words, this law states that a changing electric field produces a magnetic field.


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