The kit for demonstrating the electricity and electric current consists of:
A power supply 0-16 V DC, 5 V, 1 A DC with digital display(1 A);
Flexible connecting cord, 4 mm plug/socket, 50 cm length, red color (5 pcs);
Flexible connecting cord, 4 mm plug/socket, 25 cm length, red color (2 pcs);
Flexible connecting cord, 4 mm plug/socket, 50 cm length, black color (5 pcs);
Flexible connecting cord, 4 mm plug/socket, 25 cm length, black color (2 pcs);
A npn-type transistor, 2N2222;
A 5.1 V Zener diode;
Silicon diodes, 1N4007 (2 pcs);
Resistor, 1 k;
Resistor, 100 k(3 pcs);
A digital multimeter;
A voltmeter, 0-10 V DC;
An ammeter, 0-5 A DC;
A circuit bread board with 4 mm sockets;
A rheostat 22/3.3 A;
A metallic ruler, 50 cm long;
A switch button;
A universal clamp.