| 摘要 |
FIELD: information technology. ^ SUBSTANCE: invention relates to educational installation and may be used for the study and knowledge of physical laws and phenomena. According to this invention the installation of a board 2, a rectangular coil 1, the AC generator 6, the leads of which are connected to a rectangular coil 1, protractor, 9, which can move on board 1, measuring coil 7, installed on a transparent support 10, attached to the protractor 9, axis of rotation 11, angular position indicator 12, mounted on the measuring coil 7, toroidal coil 13, switch 14, fixed contacts which are connected with the first leads of the measuring 7 and a toroidal coil 13, EMF registrar 8, the first input which is connected with the second lead of measuring 7 and a toroidal coil 13, a second input - with movable contact switch 14. ^ EFFECT: wider area of investigation, which increases quality of mastering laws of physics by students. ^ 7 dwg |
