DC Demonstration Kit
- Recommended age: from 12 years
- Recommended quantity per cabinet: 1 thing
- Recommended level of education:
- — Basic general education (5-9 grades)
- — Secondary general (grades 10 and 11)
- — Additional education
- Important: The product is included in the register of industrial products manufactured in the territory of the Russian Federation, the registry entry number is 10332751
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Software for carrying out computational modeling: "Interactive digital laboratory". Included in the register of Russian software of the Ministry of Digital Development, Communications and Mass Media of the Russian Federation #5603 from 26.07.2019.
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Included in the list of educational equipment for equipping and modernizing schools (Order No. 838 of the Ministry of Education of the Russian Federation dated November 28.11.2024, XNUMX)
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Note: To operate the starting device, an additional power source with a voltage of at least 12V is required, for example, a 24V adjustable power supply with a load current of up to 10A.
Purpose
The kit is designed to perform demonstration experiments to study DC electric circuits.
What will the child learn?
Provides study of: drawing up an electric circuit, measuring current with an ammeter, measuring voltage with a voltmeter, dependence of current on voltage, dependence of current on resistance, resistance measurements, series connection of conductors.
In addition, the kit allows you to simulate a DC circuit with nonlinear elements in the form of incandescent lamps.
Updates
Allows you to teach the main stages of conducting experimental research, and also allows you to conduct joint research with students.
— Module for connecting a current source
- 1 Ohm wire resistor
- 2 Ohm wire resistor
- 3 Ohm wire resistor
— 12V lamp
- Variable resistor 5 Ohm
— Module with clamps
- Key
— Methodological support
— Software for conducting computational modeling
— Storage system
The entire set is supplied in a plastic storage system with a tray, which is closed with a transparent plastic lid with latches to ensure visibility of the contents.
Methodological support
The kit is provided with methodological recommendations in Russian for performing experiments.
Software for conducting computational modeling
The simulation software allows calculating the current strength and temperature of the filaments of lamps for two types of electrical circuits containing linear active elements (resistors) and nonlinear elements (incandescent lamps).
Examples of experiments
The kit provides 12 demonstration experiments for studying DC electric circuits:
— Drawing up an electrical circuit
— Measuring current with an ammeter
— Measuring voltage with a voltmeter
— Current strength versus voltage
— Current strength dependence on resistance
— Resistance measurement
— The device of a variable resistor (rheostat)
— Series connection of conductors
— Parallel connection of conductors
— Heating of a conductor by electric current
— Determination of electric current power
— Action of the fuse