What is RAM?: What is RAM? -Unlike ROM, we can read from or write into the RAM, so it is often called read/write memory. The numerical and character data that are to be processed by…
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 elements breaks itself up (fission…
What is PWM Inverter?: What is PWM Inverter? - In presenting the arguments here attention will be focused on a single-phase inverter. Instead of the single rectangular pulse output of Figs 11.46 and 11.48 during…
What is Power Transistor? | Definition | Working | Applications: What is Power Transistor? - Power Transistors are now available in ratings suitable for motor control. This device is a 3-layer p-n-p (or n-p-n) structure,…
What is Power System Stability?: The stability of an interconnected power system is its ability to return to normal or stable operation after having been subjected to some form of disturbance. Conversely, instability means a…
What is Power System Engineering?: The Power System Engineering of the first decade of the twenty-first century has to face a variety of challenging tasks, which he can meet only by keeping abreast of the…
What is Power MOSFET?: What is Power MOSFET? - The power metal oxide semiconductor field-effect transistor (MOSFET) is a device derived from the field effect transistor (FET) for use as a fast-acting switch at power…
What is Power Electronic Converter?: What is Power Electronic Converter? - Since the introduction of the thyristor, the Power Electronic Converter technology has progressed through intense technological evolution for the last four decades and has…
What is Photoelectric Emission and Laws of Photoelectric Emission?: When the surface of certain alkaline material such as sodium, potassium, cesium or rubidium is illuminated by a beam of light or ultraviolet radiations, the electrons…
What is Photoelectric Effect?: When monochromatic light is incident on a clean surface of a material, then under certain conditions, electrons, also called photoelectrons, are emitted from the surface. The electrons in the metal absorb…
