VI Characteristics: Investigating the Relationship between Current and Potential Difference in a Light Bulb

In this video, Matt demonstrates an experiment to investigate the relationship between current and potential difference across a light bulb. He replaces a resistor with a light bulb in a circuit, measures voltage and current, and records the data. Matt then reverses the current direction to observe changes. The data is graphed, showing a non-linear relationship, indicating that the bulb's resistance increases with potential difference. The experiment concludes that the bulb behaves the same regardless of current direction.

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