corso|33477

Electrostatics in vacuum Charges and fields. Coulomb’s law. Electric dipole. Gauss’ theorem. Divergence theorem. I Maxwell’s equation. Electric potential. Circulation of electric field. Stokes’ theorem. III Maxwell’s equation. Electric fields around conductors. Conductors and insulators. The general electrostatic problem and the uniqueness theorem. Coulomb’s theorem. Capacitance and Capacitors. Potential and charges on several conductors. Charge and voltage partitions. Energy stored in a capacitor. Electric fields in matter. Dielectrics. The moments of a charge distribution. The potential and field of a dipole. The torque and the force on a dipole in an external field. Atomic and molecular dipoles. Induced dipole moments. A microscopic view of the dielectrics. Polarization vector. The field of a charge in a dielectric medium. Poisson’s equation. Electric currents. Static magnetic fields in vacuum. Static magnetic fields in matter. Time dependent electric and magnetic fields. Electromagnetic waves. Superconductivity.

Physics I Maths I

C. Mencuccini, V. Silvestrini; Fisica II: elettromagnetismo e ottica, Casa Editrice Ambrosiana. Dispense sulla superconduttività.

No mandatory attendance, but strongly recommended.

1. Written exam with 4 exercises and 1 open question 2. Oral exam discussing the solution of the written exam and two or three more questions to evaluate the level of knowledge.

Blackboard