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Description Purpose: The devices are utilized in practical works on "Direct current laws" and "Electromagnetic phenomena" courses.

Device configuration

1. Switch 2. Electrodes dish 3. Capsuled lamp, 2 items 4. Wired resistor, 2 items 5. Variable resistor 6. Electromotor 7. Hanked coil, 2 items 8. Magnetic bar, 2 items 9. Spring clip, 2 items 10. Compass 11. Connection wires, 8 items 12. Metal operating layout

The experiments

1. Assembling electric circuit and measuring subcircuit current 2. Subcircuit voltage measuring 3. Regulating current by variable resistor 4. Observing the current’s chemical effect 5. Assembling and testing the galvanic cell 6. Observing subcircuit’s current dependence on voltage 7. Observing subcircuit’s current dependence on resistance 8. measuring Resistance by amperemeter and voltmeter 9. Measuring lamp’s power and energy 10. Studying magnet field of permanent magnet 11. Studying DC motor 12. Measuring efficiency of electric motor 13. Measuring source’s EMF and internal resistance 14. Measuring conductor’s specific resistance 15. Studying conductors’ series connection 16. Studying conductors’ parallel connection 17. Electron’s charge definition 18. Observing the current’s dependence on magnetic field 19. Studying the phenomenon of electromagnetic induction

To carry out the experiments you will need: Laboratory educational voltmeter Laboratory educational amperemeter laboratory power supply BY-4M