Ingegneria Gestionale PHYSICS II



The course examines the basilar elements of classical electromagnetism with the aim to provide to the students a complete picture of this discipline with particular reference to those thematic strictly connected to the engineering.
Knowledge and ability of understanding: The course intends to furnish, in concise and proper way for the applications, the knowledge of the basilar notions and applications of classical electromagnetism.
Ability to apply knowledge and understanding: The course has as objective that to make the student able to assimilate acquired theoretical knowledge and to know how to resolve exercises concerning problems of classical electromagnetism.
Communicative ability: The course will to provide the ability of the student to expose in a clear and rigorous way the acquired knowledge. At the end of the course the student has to be able to enunciate in a correct way definitions, problems and theorems concerning the contents of the course itself.
Autonomy of judgment: The students are driven to learn in a critical and responsible way all the arguments exposed during class lectures and to enrich his/her own abilities of judgment through the study of the didactic material pointed out by the teacher.
The course requires the knowledge of basic mathematics topics: algebra, elementary geometry, logarithms, trigonometry, basic elemental differential calculus, first and second equations and inequalities, algebraic systems.
Hours of Lectures: 30, Hours of Exercise: 30
Course content:
1Electrostatics. Electrical charges. Insulators and conductors. Coulomb law. Electric field. Gauss's theorem and its applications. (Theory: 4 hours, exercises: 4 hours)
2Electrostatic potential. Conductors in electrostatic equilibrium. Capacitors. Energy of the electrostatic field. Force between conductors. (Theory: 4 hours, exercises: 4 hours)
3Dielectrics. (Theory: 3 hours, exercises: 3 hours)
4Stationary and quasi-stationary currents. Continuity equation. Ohmic conductors. Kirchhoff's laws for electric circuits. DC power supplies. RC circuits. Charge and discharge of a capacitor. (Theory: 4 hours, exercises: 4 hours)
5Magnetostatics. Forces between electric currents. Definition of the magnetic induction field and Laplace's 1st formula. Biot and Savart law. Magnetic field circuitation and Ampère theorem. Magnetic force on a conductor traversed by an electric current: Laplace 2nd formula. Motion of a charge in a magnetic field: Lorenz's force. (Theory: 4 hours, exercises: 4 hours)
6Faraday induction law and its physical applications. Induction between circuits and self-induction. Energy of magnetic field. LC circuits. (Theory: 4 hours, exercises: 4 hours)
7Magnetic materials. (Theory: 3 hours, exercises: 3 hours)
8Displacement current. Differential form of Maxwell equations. Waves equations and electromagnetic waves. (Theory: 4 hours, exercises: 4 hours)
Teaching Methods
Teaching consists of 30 hours of frontal lessons and 30 hours of exercises with an additional a number of tutoring hours. Lessons and exercises will also be provided on the topics outlined with the aid of audiovisual material. Exercises will include the direct participation of students who will be invited to attend and discuss the exercises proposed by the teacher in the classroom together with the rest of the class.
Verification of learning
The achievement of the course objectives will be certified by a written and oral exam with grades on a scale of 30. The final script includes 2 exercises to be performed in 2 hours; students will be able to access the oral exam if the grades of written test are at least 18/30. Intermediate script examinations of 2 hours with two problems can be scheduled during the course; those who reach the final average of at least 18/30 may opt to directly support the final oral exam. The exam is organized in order to fully ascertain the candidate's knowledge with particular attention to his / her ability to fully exhibit connections between the topics of the studied arguments with a good level of clarity in the presentation of the topics.
1.C. Mencuccini, V. Silvestrini: Fisica II. Elettromagnetismo. Ottica. Ed. Casa Editrice Ambrosiana, Milano.
2.C. Mencuccini, V. Silvestrini: Esercizi di fisica II. Elettromagnetismo. Ottica. Ed. Casa Editrice Ambrosiana, Milano
3.P. Mazzoldi, M. Nigro, C. Voci: Fisica: 2, Ed. Edises, Napoli.
4.J. Quartieri, L. Sirignano, A. Di Bartolomeo: Fisica 2. Elementi di teoria ed applicazioni. Ed. CUES
5.G. Grella: Lecture notes on electromagnetism (in Italian). (Free lecture notes in pdf format distributed to students at the beginning of the course).
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