Ignitron Working Principle: Ignitron is a gaseous tube and consists of carbon anode, boron carbide ignitor tube and mercury pool cathode. It is a cold cathode tube and does not…
Compact Fluorescent Lamp (CFL) - Working Principle, Types, Advantages and Disadvantages: A compact fluorescent lamp (CFL), also known as a compact fluorescent light or energy saving light, is a type…
Laser Beam Welding - Definition, Block Diagram and Workings: Laser beam welding is a welding process that uses the heat from a laser beam impinging on the joint. The process…
Nuclear Fission and Nuclear chain reaction: Uranium exists in different isotopes of U238, U234 , and U235. Out of these, U235 is the most unstable. When unstable heavy nucleus is bombarded with…
What is Radioactivity? - Definition and Types The phenomenon of spontaneous emission of powerful radiation exhibited by heavy elements is called radioactivity. It is an irreversible self-disintegrating activity as the…
Noise in Amplifiers and its Types: Noise in Amplifiers - Noise is any kind of unwanted signal that is not related to the input. Any electronic component produces a certain…
Difference between LED and Laser Diode: The Difference between LED and Laser Diode is given below: As already mentioned LASER is the shortened form of light amplification by stimulated emission…
Light Emitting Materials: Since the eye is only sensitive to light of energy hf ≥ 1.8 eV (~ 0.7 μm), semiconductors of interest must have energy band gaps larger than this…