Electronics guide: Diode, Capacitor, Arduino Platform, and Electronics Store
The preference for a potentiometer with a longer wire often relates to achieving finer resolution and sensitivity in its adjustment capabilities. A longer wire means there is more physical distance over which the variable resistance can be adjusted, allowing for more precise control of the output voltage or signal level. This is particularly useful in … Read more
Transformers are often operated in parallel to meet several practical requirements and enhance system reliability and efficiency. One primary reason for parallel operation is to increase the overall power capacity available in a system. By connecting multiple transformers in parallel, the total power handling capability can be increased to match the load demand. This is … Read more
What is an electric fuse and How does it work ? An electric fuse is a protective device used in electrical circuits to prevent damage to components or appliances in case of overcurrent conditions. It consists of a thin strip or wire made of a material with a low melting point, typically an alloy of … Read more
Why will a fan keep running even when the furnace thermostat is off ? A fan may continue running even when the furnace thermostat is off due to several potential reasons related to the HVAC system’s configuration or settings. One common cause is the fan setting on the thermostat itself. Many thermostats have a fan … Read more
Compact fluorescent lights (CFLs) have some advantages over LED lights, although LED technology has largely surpassed CFLs in recent years. One advantage of CFLs is that they are generally more affordable initially compared to LEDs. They also provide decent energy efficiency and produce a comparable amount of light to traditional incandescent bulbs while consuming less … Read more
Transistors serve various essential roles as amplifiers in everyday life, particularly in electronic devices that require signal amplification for optimal performance. One common application is in audio amplifiers found in radios, televisions, and portable devices like smartphones and MP3 players. In these devices, transistors amplify weak audio signals from sources such as antennas or audio … Read more
Full pitched coil winding refers to a winding technique where each coil span (or coil section) within a stator or rotor winding of an electrical machine, such as a motor or generator, covers the entire pole pitch. In other words, the coil extends across the entire distance between two consecutive poles of the machine’s magnetic … Read more
A voltmeter and a potentiometer serve distinct functions in electronic measurement despite both involving electrical potential differences. A voltmeter is a measuring instrument used to determine the voltage or electrical potential difference between two points in an electrical circuit. It is designed to be connected in parallel across the points of interest, allowing it to … Read more
If a DC source is applied to a transformer, the transformer will not function as intended. Transformers operate based on the principles of electromagnetic induction, which require a varying magnetic field to induce voltage in the secondary winding. A DC source provides a constant voltage, resulting in a constant magnetic field. As a result, there … Read more
An earth fault overcurrent relay in a substation is a protective device designed to detect and respond to earth faults or ground faults in electrical systems. Earth faults occur when an unintended connection between an electrical conductor and the ground (earth) is established, potentially leading to current leakage and electrical hazards. The earth fault overcurrent … Read more