What is Direct Current
Such a current that does not change its direction is known as direct current. It is denoted by DC, which is obtained from primary and secondary cell.
Note: Constant access to educational materials. On the portal of the system of distance education you can get knowledge exactly when it suits you, the study materials are structured and divided into parts for the convenience of users. You can choose the pace of work, learn the disciplines from the “by choice” list, based on their interests and needs at work. In this case, of course, the teachers will help to deal with all the unclear issues. In distance education there are no gaps due to omissions, tasks are performed on all topics of the discipline, it is easy to return to the previous sections and topics. First of all, distance education is suitable for those who work a lot and who find it difficult to leave home for a long time. It also happens that you can regularly devote part of your time to study. Family circumstances are often important. It is important, we will be frank, and the material factor, because nonresident students have to leave work, pay for their journey and stay during their studies or sessions.