Course content

The subject is part of the skill strands in numerical and experimental work in physics.

Introduction to electromagnetism and basic measurement techniques.

Coulomb's law, electric field and forces, Gauss' law. Electric potential and energy. Conductors and capacitances.

Electricity: Current, resistance, electromotive force, direct and alternating current circuits. Kirchhoff's Law.

Magnetostatics: Magnetic fields, forces, moment and energy. Magnetic dipole. Biot-Savart's law. Ampere's law. Magnetic flux. Magnetic materials.

Electromagnetic Induction: Faraday's Law of Induction. Lenz's law. Inductance.

Briefly about Maxwell's equations.

Simple passive and active circuits. Measuring equipment: Sensors, amplifiers and automated control systems.

Experimental working methods: Methods for measuring physical quantities, data processing, interpretation and documentation.

Learning outcome

Knowledge

After completing the course, the student has:

• Solid knowledge of fundamental laws and concepts in electricity and magnetism.
• Basic understanding of the properties of electric and magnetic fields and how they are described with Maxwell's equations.
• Understanding of the properties of simple, time-dependent electric and magnetic fields and their effects.
• Knowledge of the use of computers and sensors for the collection, analysis and presentation of data.
• Knowledge of experimental equipment related to electricity and magnetism and how it can be used.
• Thorough understanding of and knowledge of the classification of various error sources in data from experiments.
• Knowledge of analogue-digital conversion of measurement signals.

Skills

The student can:

• Basic HSE and risk analysis related to electrical measurements.
• Use software to design and simulate electronic circuits.
• Plan, perform and analyze more advanced experiments.
• Carry out physical measurements using a computer, including sensor connection, digital measurement systems and interfaces between software and experimental hardware.
• Analysis of simple passive and active circuits.
• Use sensors and advanced measuring equipment.
• Error analysis and statistics based on electronic measurement systems.
• Basic documentation in connection with experimental investigations.
• Troubleshooting and analysis in electronic circuits and experimental measurement setups.
• Using numerical calculations to model electromagnetic problems.

General competence

The student can:

• Use known analytical models in problem solving.
• Use mathematical methods for solving theoretical and practical problems.
• Basic experimental design.
• Experimental work methods and have a basic understanding of failure analysis.
• Explain the importance of electricity and magnetism in society, especially with regard to technological applications, and give concrete examples of this.

Learning methods and activities

• Theory lessons
• Calculation exercises
• Laboratory work
• Project experimentally and numerically

The students' expected workload in the course is 225 hours.

Compulsory activities

• Arithmetic exercises, which must be approved for admission to the written exam.

Compulsory assignments

• Exercises

Specific conditions

Recommended previous knowledge

Knowledge equivalent to FY1010 Fundamental physics or TFY1010 Fundamental physics.

Course materials

Stated at the start of the semester.

Credit reductions