Physics
Transparent, hand pressure energy flashlight, LED light source.
Fixed value resistor (carbon film resistors, metal film resistors, wire wound...
The product working voltage AC220V ,composed of a LED simulation screen, an...
The instrument according to the insulated wire in the electric field...
Used as a middle school physics force line to the electric field in the field of...
The product is composed of a transparent wind proof cover, an angle indicator, a...
The utility device is composed of a base, a vertical plate, a conductor ball, a ...
Instrument can produce tens of thousands of volts potential difference, as the...
The switch maximum working voltage of 36V , rated current is 6A, the wiring...
Physics demonstration experiment in junior middle school, the product is mainly ...
Junior high school presentation group. The product is composed of circuit board,...
This product is composed of two identical pointer electroscope.
The pointer...
Size: 24cm high, speaker diameter: 15cm, with recording, propaganda, volume...
The product is made up of test stick, heating block and hand held supporting rod...