Electrical4U What is an Inverter? An inverter (or power inverter) is defined as a power electronics device that converts DC voltage into AC voltage. While DC power is common in small gadgets, most household equipment uses AC power, so we need efficient conversion from DC to AC. An inverter is a static device that converts one … Read more
What is an Avalanche Diode? An avalanche diode is a type of semiconductor diode which is designed to experience avalanche breakdown at a specified reverse bias voltage. The pn junction of an avalanche diode is designed to prevent current concentration and resulting hot spots so that the diode is undamaged by the avalanche breakdown. The … Read more
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E4U Electrical Engineering Study App Ace your exams with access to thousands of electrical engineering questions. Get immediate access to— Over 5000 multiple choice questions MCQs on electrical circuits, power systems, electrical machines, power electronics, control systems, and more Zero advertisements Detailed hints to speed up your learning Try For Free (No CC Required) The … Read more
What is Moore’s Law? Moore’s Law refers to the observation that the number of transistors in an integrated circuit (IC) doubles approximately every 2 years. It is often cited as an explanation for the exponential growth of technology, sometimes even being coined as the ‘law of exponential growth’. Moore’s law is named after Gordon Moore, … Read more
What is a Network Topology? A network topology is defined as the layout or arrangement of elements, like nodes or links, in a communication network. Network topologies describe the setup of different telecommunication networks, including computer networks, command and control radio networks, and industrial field buses. Types of Network Topology There four main types of … Read more
What is a Potentiometer? A potentiometer (also known as a pot or potmeter) is defined as a 3 terminal variable resistor in which the resistance is manually varied to control the flow of electric current. A potentiometer acts as an adjustable voltage divider. How Does a Potentiometer Work? A potentiometer is a passive electronic component. … Read more
What is a Thermistor? A thermistor (or thermal resistor) is defined as a type of resistor whose electrical resistance varies with changes in temperature. Although all resistors’ resistance will fluctuate slightly with temperature, a thermistor is particularly sensitive to temperature changes. Thermistors act as a passive component in a circuit. They are an accurate, cheap, … Read more