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Instructor: Constantinos Christofides

(For the Department of Electrical and Computer Engineering)

Content: The meaning of electric charge. Coulomb’s law. Definition of the electric field. Computation of the electric field of discrete and continuous charge distributions. The meaning of dipole moment. Electric field of a dipole. Torque of an electric dipole in an external electric field. Gauss’ law. Electric Fields and Matter. Charging and polarization of insulators and conductors. Electric potential energy and electrostatic potential. Electrostatic potential difference. The meaning of capacitance. Computation of equivalent capacitance for capacitors in serial, parallel or composite connectivities. Energy stored in a charged capacitor. Capacitors with dielectrics. Electric field and current in a conductor. Microscopic model of current. The meaning of Resistance. Ohm’s law. Simple circuits. Kirchhoff’s rules. The RC circuit.
The magnetic field. Detection of magnetic fields. Magnetic force on a moving charge and a current-carrying wire. Magnetic dipole moment. Torque on a current loop in a uniform magnetic field. Motion of a charge particle in a uniform magnetic field. Τhe Hall effect. Biot-Savart Law. Ampere’s law. The magnetic field of simple current distributions. Magnetic flux and Gauss’ law in Magnetism. Displacement current and the general form of Ampere’s law. The law of Faraday and motional EMF. Induced EMF and electric fields. Generators and motors. Maxwell’s equations. Electromagnetic waves. Self induction and mutual induction. The LC and RLC circuit. Geometrical optics, Huygen's and Fermat's principle, Optical instruments, Interference, Young's experiment, Michelson’s interferometer, Michelson’s and Morley's experiment, Multiple-beam interference, Rayleigh's resolution criterion, Fraunhofer diffraction, Diffraction grating, Bragg's law, Polarization, Malus' law, Brewster's law, Double refraction, Production of circular polarized light.

Assesment: • Midterm exams (2 x 20%). • Final exam (60%).