188. Новая виртуальная лабораторная работа по физике «Исследование зависимости мощности, потребляемой лампой накаливания от напряжения на ее зажимах» - http://efizika.ru/html5/188/index.html.
Цель работы: исследовать зависимость мощности, потребляемой лампой накаливания, от напряжения на ее зажимах.
Оборудование: лампочка 95 Вт, амперметр, два вольтметра, источник постоянного тока, реостат, соединительные провода, ключ, виртуальная лаборатория.
188. Virtual laboratory assignments in physics «Investigation of the dependence of the power consumed by an incandescent lamp on the voltage at its terminals» - http://efizika.ru/html5/188/index.html.
The purpose of the work is to investigate the dependence of the power consumed by an incandescent lamp on the voltage at its terminals.
Equipment: lamp, ammeter, two voltmeters, DC power supply, rheostat, connecting wires, key, virtual laboratory.
Virtual Physics Lab on "Investigation of the Power Dependence of an Incandescent Lamp on the Voltage Across Its Terminals" - Experimental Procedure
For a virtual lab exploring the dependence of power consumption in an incandescent lamp on the applied voltage, you can utilize virtual simulation tools or software simulators. Here is a general plan that you can adapt to the specific conditions of your virtual experiment.
Stages of the Virtual Lab:
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Introduction:
- Define the experiment's objective: studying the relationship between the power of the lamp and the applied voltage.
- Formulate a hypothesis or expected outcome.
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Preparation for the Experiment:
- Launch the virtual physics experiment simulator.
- Choose the type of incandescent lamp to be used in the experiment.
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Equipment Setup:
- Install the lamp in the appropriate socket.
- Connect measuring devices (voltmeter and ammeter) to the circuit with the lamp.
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Measuring the Power Dependence on Voltage:
- Gradually change the voltage across the lamp, recording voltage and current values at each change.
- Calculate the power of the lamp for each pair of voltage and current values using the formula: �=�⋅�P=U⋅I.
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Graph Construction:
- Use the obtained data to construct a graph showing the dependence of power on voltage.
- You may also need to calculate the resistance of the lamp using Ohm's law: �=��R=IU and plot the dependence of resistance on voltage.
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Results Analysis:
- Analyze the generated graph.
- Draw conclusions about the nature of the dependence of power on voltage.
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Conclusions:
- Formulate conclusions based on the experiment's results.
- Compare the obtained data with theoretical expectations regarding the operation of incandescent lamps.
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Summary:
- Summarize the lab's findings.
- Evaluate the reliability of the results and possible sources of errors.
This plan provides a general structure for a virtual lab. Remember to follow the instructions of the virtual simulator or modeling software you are using to correctly configure the experiment parameters.
