US$ 17.95
a sliding front door
letting students route current down either branch of a circuit by choosing which slot the plug occupies
designed to slot onto the demountable U-core and combine with other coil ratios for electromagnetic induction demonstrations
Spout for easy pouring
Metal spouting cylinder with multiple outlet holes at different heights
NPN Transistor Unit Item Type_Mug a sliding front doorNPN transistor in a protective enclosure with labeled base, collector, and emitter terminals, supplying a robust hands on component for amplifier, switching, and logic circuit demonstrations.
US$ 17.95
US$ 1549.50
US$ 627.00