1. Plug-in board NTC-01/1 ExtLab “DC circuits and Omh’s law”:

• EMF source in electrical circuits;
• experimental verification of Omh’s law;
• investigation of series-connected resistors;
• investigation of parallel-connected resistors;
• investigation of mixed-connected resistors;
• studying of Wheatstone bridge.

2. Plug-in board NTC-01/12 ExtLab «Kirchhoff’s laws»:

• Kirchhoff’s laws;
• measurement of potentials in electrical circuit;
• potential chart plotting;
• experimental verification of current superposition principle;
• experimental verification of node potential method.

3. Plug-in board NTC-01/3 Extlab “Single-phase RC AC circuits” :

• investigation of sinusoidal current circuit with capacitor;
• investigation of parallel-connected capacitors;
• investigation of series-connected capacitors;
• investigation of series-connected capacitor and resistor;
• investigation of parallel-connected capacitor and resistor.

4. Plug-in board NTC-01/4 ExtLab “Single-phase RL AC circuits”:

• investigation of sinusoidal current circuit with inductance coil;
• studying of magnetization curve of the core;
• investigation of series-connected inductance coils;
• investigation of parallel-connected inductance coils.

5. Plug-in board NTC-01/14 ExtLab “Single-phase RLC AC circuits”

• investigation of sinusoidal voltage and current parameters;
• investigation of AC electrical circuit with inductance;
• investigation of AC electrical circuit with capacitor;
• investigation of AC electrical circuit with series-connected L and C (voltage resonance);
• investigation of AC electrical circuit with parallel-connected L and C (current resonance);

– inductively-connected circuits:

• investigation of parallel connection of inductively-connected coils;
• investigation of serial connection of inductively-connected coils;

– ferroresonance circuits:

• investigation of ferroresonance circuit.

6. Plug-in board NTC-01/6 ExtLab “Single-phase transformer”:

• investigation of no load operation of the transformer;
• investigation of short-circuit mode of the transformer;
• investigation of active (resistive) load mode of the transformer.

7. Plug-in board NTC-01/5 ExtLab «Three-phase cicruits»: 

• investigation of three-phase circuit with symmetrical, asymmetrical and equal Y-connected energy receivers with neutral wire and without it;
• investigation of three-phase circuit with symmetrical, asymmetrical and equal delta-connected energy receivers.

8. Plug-in board NTC-01/7 ExtLab «Bipolar transistor»:

• investigation of characteristics of bipolar transistor;
• investigation of transistor amplifier diagram with common emmiter;
• investigation of two-stage amplifier schematic;
• investigation of transistor amplifiers with A, AB and B classes on the bipolar transistor;
• investigation of transistor switching mode.

9. Plug-in board NTC-01/9 ExtLab «Electrical machinery»:

• investigation of mechanic and operating characteristics of DCM;
• investigation of the methods of controlling the speed rotation of DCM (rheostat and changing power voltage);
• investigation of the characteristics of DC generator;
• investigation of mechanic and operating characteristics of squirrel-cage asynchronous rotor;
• investigation of the methods of regulating the speed rotation of squirrel-cage asynchronous rotor.

10. Plug-in board NTC-01/10 ExtLab “Three-phase transformers”:

• determination of the connection groups of three-phase transformer windings.

11. Plug-in board NTC-01/13 ExtLab «AC circuits»:

• investigation of a passive two-pole in AC circuit;
• investigation of a linear circuit of periodic non-sinusoidal current.

12. Plug-in board NTC-01/15 ExtLab “Transition processes in linear DC circuits”:

• investigation of the transition process in RC circuit;
• investigation of the transition process in RL circuit;
• investigation of the transition process in RLC circuit with aperiodic charge and capacitor discharge.

13. Plug-in board NTC-01/16 ExtLab “Circuits with non-linear resistive resistances”:

• diode current-voltage test;
• voltage-reference diode current-voltage test
• varistor current-voltage test

14. Plug-in board NTC-01/08 ExtLab «Field transistor»:

• investigation of static characteristics of field transistor;
• investigation of the schematic of transistor amplifier with common source;
• investigation of the repeater schematic of variable resistor on the field transistor;
• measurement of static characteristics of the field transistor with isolated gate;
• investigation of the main schematics of the field transistor.