Due to the coronavirus pandemic, teaching in most of the summer semester 2019/2020 had to be realized in the distance form. We were forced to try many new technologies and search for teaching methods suitable for our students and subjects.
In this paper, we summarize the experience from intensive online teaching of Electricity and Magnetism and Quantum Mechanics, i.e., two "big" compulsory lectures in the first two years of bachelor's studies of future physics teachers. We will describe the management of online lectures and the way to assign homework and provide feedback to students.