The concept test from the area of Electricity and Magnetism (KTEM) was prepared at Department of physics education, Faculty of Mathematics and Physics, Charles University in Prague. The test is based on American Conceptual Survey of Electricity and Magnetism (CSEM) which is used for students of introductory physics courses.
Czech “KTEM” is intended for Czech high school's students. Paper presents the test, its characteristics and some results from pilot verification.