LED Lab Experiment Presentation
| Introduction to LED Lab Experiment | ||
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| LED stands for Light Emitting Diode. In this lab experiment, we will explore the properties and characteristics of LEDs. LEDs are semiconductor devices that emit light when an electric current passes through them. | ||
| 1 | ||
| Objectives of the Experiment | ||
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| Understand the basic principles of LED operation. Measure the voltage-current characteristics of an LED. Determine the relationship between the intensity of light emitted by an LED and the current passing through it. | ||
| 2 | ||
| Experimental Setup | ||
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| Connect the LED to a power supply, ensuring the correct polarity. Use a current-limiting resistor to control the current passing through the LED. Connect a voltmeter in parallel to measure the voltage across the LED. | ||
| 3 | ||
| Experimental Procedure | ||
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| Gradually increase the current passing through the LED while recording the corresponding voltage readings. Repeat the process for different current values. Plot a graph of voltage vs. current and analyze the relationship. | ||
| 4 | ||
| Conclusion | ||
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| LEDs exhibit a linear relationship between voltage and current. The intensity of light emitted by an LED increases with increasing current. This lab experiment helps in understanding the behavior and characteristics of LEDs, which have numerous applications in various fields. | ||
| 5 | ||
