Comprehensive demonstration board for magnetic properties of electricity for junior students
The utility model discloses a comprehensive demonstration board for magnetic properties of electricity for junior students. The board comprises a box body capable of being opened and closed. The bottom surface of the box body opened adopts a wooden demonstration board; a layer of magnetic rubber is...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model discloses a comprehensive demonstration board for magnetic properties of electricity for junior students. The board comprises a box body capable of being opened and closed. The bottom surface of the box body opened adopts a wooden demonstration board; a layer of magnetic rubber is bonded on the demonstration board, which forms a magnetic demonstration board; a paint layer is also arranged on the surface of the magnetic rubber; and a circuit diagram lead and element symbols of the circuit diagram made of color plates are adsorbed on one side of the magnetic demonstration board, and an element with a thin sheet iron on the back is adsorbed on the other side of the magnetic demonstration board. Compared with the prior art, circuit elements made of iron or leads and symbols of circuit element made of color plates all can be adsorbed firmly in fixed positions. The demonstration board of the utility model adopts a box body capable of being opened and closed, and is convenient for carrying. The dem |
---|