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Optics: illumination:  related topic: Physics-Optics animations
CFL bulb CFL bulb, A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light (or less commonly as a compact fluorescent tube [CFT]), is a type of fluorescent lamp. Many CFLs are designed to replace an incandescent lamp and can fit into most existing light fixtures formerly used for incandescents
Interactive color wheel applet wheel of saturation, intensity, and hue
Interactive color wheel select Hue, Saturation, and Lightness
Lava Lamp Lava Lamp demonstration
Lava Lamp Lava Lamp animation
Lava Lamp
Lava Lamp
Lava Lamp
Lichtexplosie Lichtexplosie met TL buis en spaarlamp
Lichtexplosie in een microgolfoven
Light Emitting Diodes
Lightning - an example of a natural capacitor clouds and the ground can act in unison to mimic a huge natural capacitor. This tutorial shows how the collisions of dust with ionizing radiation can cause electrons to be knocked off of particles, creating a charge separation in the clouds, resulting in lightning
Neon Lights and Other Discharge Lamps Produce light by bombarding atoms with electrons. See how the characteristic spectra of different elements are produced, and configure your own element's energy states to produce light of different colors
Relaxateur à néon en Français
Relationships between HSB and RGB color descriptions Hue, Saturation, and Brightness, red green, blue
Teinte Saturation Lumière
Tube fluorescent Tube fluorescent, Fluorescent lighting
Solar cell operation  related topic: Solar cells: part of physics
How PV Cells Work
Inside PV Systems What goes on inside a photovoltaic (PV) cell? How can it turn sunlight into electricity? Find out on this virtual tour of a PV cell. Watch photons, atoms, and electrons interact to produce an electrical current
MPPT A maximum power point tracker (or MPPT) is a high efficiency DC to DC converter that presents an optimal electrical load to a solar panel or array and produces a voltage suitable for the load
Photoelectric effect A freshly polished, negatively charged zinc plate looses its charge if it is exposed to ultraviolet light. This phenomenon is called the photoelectric effect
Photo-electric effect study the photo-electric effect with three different materials, sodium, cesium, and silver
Photoelectric effect This applet shows you the effect of light on various metals
Photovoltaic cell animation The photovoltaic cells rely on a phenomenon called the photoelectric effect to directly convert sunlight into electricity. All light carries little bundles of energy called " photons ". When photons strike certain materials they cause it to emit electrons, Photovoltaic cell animation
Solar cell operation Photovoltaic Electricity
Solar cell operation solar cells convert light energy into electrical energy either indirectly by first converting it into heat, or through a direct process known as the photovoltaic effect. The most common types of solar cells are based on the photovoltaic effect, which occurs when light falling on a two-layer semiconductor material produces a potential difference, or voltage, between the two layers
Solar Cell Operation The following animation illustrates how a solar cell cut from a single crystal of Silicone is able to convert sunlight into electricity
Solar Cell Operation
Solar installations Photo Voltaic (PV) cells
Solar battery how a Solar battery works, If light hits the semiconductor to which pn is connected, the hall and the electron appear, and it becomes a battery
Solar cell how a Solar cell works, Solar Cell: design calculation
Solar cell animation When energy is received from the sun in the form of photons, some of the photons are absorbed near the junction, freeing the electrons and holes in the silicon. The photons of light give enough energy for the electrons to cross the junction, where they can be picked up on the metal contacts on the surface of the solar cell and move through an external circuit. After moving through the external circuit and performing work (such as powering a lamp or motor) the electrons return to the solar cell
Solar cells Photodiodes and solar cells work in the reverse sense to LEDs. If a photon of sufficient energy strikes the valence band in the transition region ( also known as the diffusion region ) of the diode, an electron can be promoted to the conduction band by the photoelectric effect leaving a hole in the valence band. The internal electric field ensures these separate and are available to an external circuit
Solar cells: animation Solar cells: animation
The Basics of a Photovoltaic Solar Cell The common solar cell that many of us have seen is called a photovoltaic solar cell

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Last updated on: 2011-01-02 | Copyright © 2011-2013 Educypedia.