Changing the Brightness of LED . | Physics is Fun 2
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Changing the Brightness of LED . | Physics is Fun 2
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physicsfun on Instagram: "LEDs as PV Cells: the physics of solar cells (photovoltaic cells) is the reverse process of LEDs (light emitting diodes). Shown here is a very simple circuit I soldered together- a blue LED and red LED connected. When a stream of energetic photons (from a 405nm violet laser pointer) is directed onto the blue diode it produces enough current to power and light the red diode! I saw this demo from fellow physicist @richardvandewege and had to reproduce it for my collection
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physicsfun on Instagram: "LEDs as PV Cells: the physics of solar cells (photovoltaic cells) is the reverse process of LEDs (light emitting diodes). Shown here is a very simple circuit I soldered together- a blue LED and red LED connected. When a stream of energetic photons (from a 405nm violet laser pointer) is directed onto the blue diode it produces enough current to power and light the red diode! I saw this demo from fellow physicist @richardvandewege and had to reproduce it for my collection
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