# EI1240 Electromagnetic Theory 9.0 credits

### This course has been discontinued.

Last planned examination: Spring 2021

Decision to discontinue this course: *No information inserted*

The course gives the fundamentals in classical electromagnetic field theory, in forms of the relations between electromagnetic fields, charges and currents.

#### Course offering missing

Course offering missing for current semester as well as for previous and coming semesters*Course offering missing for current semester as well as for previous and coming semesters*

## Content and learning outcomes

### Course contents^{}

**Part 1: Static fields**

Electrostatics: Coulomb's law. Electric lines of force. Evaluation of electric field and potential in vacuum and with conducting and dielectric materials. Energy and forces in electrostatic systems. Boundary-value problems.

Static magnetic fields: Biot-Savart's and Ampere's laws. Fields in magnetic materials.

**Part 2: Dynamic fields**

Electromagnetic induction. Mutual and self-induction. Energy and forces in static and quasi-stationary fields. Maxwell's equations. Conservation laws. Plane waves. Wavesguides. Radiation and reception of electromagnetic waves. Transformation of electric and magnetic fields between systems with uniform velocity.

### Intended learning outcomes^{}

**General goals**

After the course the student shall from a description of a situation that leads to an electromagnetic field problems be able to

- use their conceptual understanding of the electromagnetic laws in order to qualitatively describe the behavior of the solution to the problem
- use their ability to manage the electromagnetic laws to, in simple situations, set up a computational model and perform the necessary calculations: select appropriate methods; make appropriate approximations; plausibility assess the results

**Concrete goals**

- define electric and magnetic fields according to their force effect
- explain the physical meanings of the differential equations for electrostatic and magnetostatic fields
- calculate the electric field from the stationary charge distributions and magnetic fields from steady current distributions
- solve simple electrostatic boundary value problems
- describe and use simple models of electric and magnetic field interactions with materials
- explain the concept of electromotive force
- write down Maxwell's equations and explain their physical meanings
- analyze how energy and momentum is stored and transported in an electromagnetic field
- analyze the propagation, reflection and transmission of plane waves
- analyze propagation in simple types of waveguides
- use Maxwell's equations to analyze the electromagnetic fields generated by given dynamic charge/current distributions
- calculate the radiation fields from simple types of antennas and antenna systems

### Course disposition

Lectures and tutorial exercises.

## Literature and preparations

### Specific prerequisites^{}

Corresponding to the courses for the master of science program in Engineering Physics in

- Linear algebra
- Differential and integral calculus, in one and several variables
- Complex analysis
- Electrical circuit analysis
- Mathematical methods in physics, including vector analysis, separation of variables and orthogonal functions

### Recommended prerequisites

Basic courses in mathematics and mathematical methods in physics.

### Equipment

*No information inserted*

### Literature

D. J. Griffiths: Introduction to Electrodynamics, 3:rd ed. (Prentice Hall).

## Examination and completion

If the course is discontinued, students may request to be examined during the following two academic years.

### Grading scale^{}

A, B, C, D, E, FX, F

### Examination^{}

- TEN1 - Examination, 4.5 credits, grading scale: A, B, C, D, E, FX, F
- TEN2 - Examination, 4.5 credits, grading scale: A, B, C, D, E, FX, F

Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.

The examiner may apply another examination format when re-examining individual students.

### Other requirements for final grade^{}

Passed in all examination moments.

### Opportunity to complete the requirements via supplementary examination

*No information inserted*

### Opportunity to raise an approved grade via renewed examination

*No information inserted*

### Examiner

### Ethical approach^{}

- All members of a group are responsible for the group's work.
- In any assessment, every student shall honestly disclose any help received and sources used.
- In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.

## Further information

### Course web

Further information about the course can be found on the Course web at the link below. Information on the Course web will later be moved to this site.

Course web EI1240### Offered by

### Main field of study^{}

Electrical Engineering, Technology

### Education cycle^{}

First cycle

### Add-on studies

EI2400 Applied Antenna Theory

EI2402 Electromagnetic Compatibility

EI2410 Field Theory for Guided Waves

EI2420 Electromagnetic Wave Propagation

### Contact

Martin Norgren

### Supplementary information

The course has been replaced with EI1320 Electromagnetic Theory, 9 hp.