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Physics of Electrical Engineering

Structure Type: Study unit
Code: ST00BO18
Curriculum: SAT 2023
Level: Bachelor of Engineering
Year of Study: 2 (2024-2025)
Semester: Autumn
Credits: 3 cr
Responsible Teacher: Mäkinen, Seppo
Language of Instruction: Finnish

Courses During the Academic Year 2024-2025

Impl.Group(s)Study TimeTeacher(s)LanguageEnrolment
3003SAT2023-2, SAT2023-2A, SAT2023-2B, SAT2023-2C, SAT2023-2D, SAT2023-2E2024-09-02 – 2024-11-09Jussi Ojanen, Seppo MäkinenFinnish2024-08-01 – 2024-09-06

Learning Outcomes

In this course, the student will study the most important quantities, units, phenomena and natural laws related with electrical engineering. We will go through the quantities, units and components of electrostatics, as well as the physical properties of the electrostatical components from a technical point of view. The student will study the definition of the magnetic flux density, and they will learn how it can be generated in electrical engineering. We will study the forces yielded by the magnetic flux density of point charges and on current-carrying conductors. The student will understand the technical mechanisms that are used in generating induced emf in the dynamo of a bicycle, in wind generator and in water generator, as well as in the steam turbine of a nuclear power plant. Related with the induced emf, we will study the principle of an ideal current transformer. The induced emf will lead us logically to the concepts of alternating voltage and current.

Student's Workload

81 h, including 27 h of contact studies.

Prerequisites / Recommended Optional Courses

Basics of Technical Physics.

Contents

Electrostatics (electric charge, electrostatic force, electric field, surface charge density, dielectric constant, capacitor and capacitance, series and parallel combinations of capacitors, electrostatic potential and voltage, the principle of dry cell, open-circuit voltage and terminal voltage), magnetic flux density, magnetic interaction (vs. gravitational and electrostatic interaction; field-theoretical approach), magnetic force on a point charge (incl. the technique of using the determinant of a matrix in a 3D case), Hall effect, magnetic force on a straight electric wire, magnetic flux generated by of straight electric wire (Biot Savart law), the magnetic flux density generated by a solenoid (Ampére's law), induced emf generated by magnetic flux density (Lenz's law), generator, ideal transformer.

Recommended or Required Reading and Other Learning Resources/Tools

Material prepared by the teacher.

Mode of Delivery / Planned Learning Activities and Teaching Methods

Lectures in a classroom, home assignment exercises, laboratory exercises.

Assessment Criteria

VAMK's general criteria.

Assessment Methods

Course examination, home assignment activity, laboratory work.


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