Electricity demonstration kit
Electrical panel kit with 13 magnetic modules: circuits, Ohm's law, conductor connections and current and voltage measurements.
Electricity demonstration kit with 13 components: demonstration ammeter and voltmeter, battery compartment, bulb socket, LEDs, resistors, switches, rheostat, connecting leads, resistivity panel and storage case. Designed for 8 demonstrations: assembling circuits from magnetic modules and measuring current and voltage, Ohm's law for a section of a circuit, measuring resistance and power, series and parallel connections of conductors, dependence of resistance on length, cross-section and material, as well as one-way conductivity of a semiconductor diode. A complete set for the section “Electric Current” with quick magnetic assembly of circuits.
- 1.Demonstration ammeter - 1 pc.
- 2.Demonstration voltmeter - 1 pc.
- 3.Battery compartment - 4 pcs.
- 4.Lamp socket - 3 pcs.
- 5.LEDs (red and green) - 2 pcs.
- 6.Fixed resistors - 4 pcs.
- 7.Single-pole switch (on/off) - 2 pcs.
- 8.Single-pole changeover switch (SPDT) - 1 pc.
- 9.Rheostat - 1 pc.
- 10.Connecting wires - 10 pcs.
- 11.Light bulbs - 15 pcs.
- 12.Panel for studying the resistivity of various materials - 1 pc.
- 13.Container case for storing and transporting components - 1 pc.
- Assembling an electrical circuit from magnetic modules: connecting the ammeter in series, the voltmeter in parallel, selecting the measurement limit and polarity; current and voltage measurement
- Demonstration of Ohm's law for a section of a circuit: the dependence of current on voltage (at constant resistance) and on resistance (at constant voltage)
- Measuring conductor resistance using the ammeter and voltmeter method (R = U/I)
- Measuring the electrical power of a load (incandescent lamp) using ammeter and voltmeter readings (P = UI)
- Series connection of conductors: distribution of current and voltage, checking the addition of resistances
- Parallel connection of conductors: distribution of currents among branches and equality of voltages, checking the rule for adding reciprocal resistances
- Study of factors influencing the resistance of conductors: dependence on length, cross-sectional area and material in the “Resistivity” panel (constantan and nichrome), check R = ρl/S
- One-way conductivity of a semiconductor diode: operation of LEDs (red and green) with forward and reverse connection with a limiting resistor
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