Electronics guide: Diode, Capacitor, Arduino Platform, and Electronics Store
What is the Difference Between Photodiode and Photocell? Photodiodes and photocells are two different types of optoelectronic devices that are commonly used to detect light and convert it into an electrical signal. Both are essential components in modern electronics and optical systems, but they differ in their construction, operation, and typical applications. Understanding the fundamental … Read more
An AC motor operates by utilizing alternating current (AC) to generate a rotating magnetic field within the motor’s stator (the stationary part). This rotating magnetic field induces currents in the motor’s rotor (the rotating part), causing it to spin. The principle behind its operation involves the interaction between the magnetic fields generated by the stator … Read more
A photodiode and a solar cell differ primarily in their function and application within electronics. A photodiode is a semiconductor device that converts light into electrical current when photons strike its surface. It operates in either forward bias or reverse bias mode and is commonly used in applications such as optical communication, light detection, and … Read more
Some conductors are non-ohmic because their resistance does not remain constant with changes in applied voltage or current. This deviation from Ohm’s law typically occurs in materials where the current-voltage relationship is nonlinear. Non-ohmic behavior can arise due to various factors, such as temperature dependency, semiconductor properties, or the presence of internal barriers that affect … Read more
A MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) typically has lesser conduction losses and power consumption than a BJT (Bipolar Junction Transistor) in switching applications due to its inherent operating principle. MOSFETs operate by controlling the conductivity of a channel between the source and drain terminals using an electric field applied to the gate terminal. In switching applications, … Read more
An LED (Light Emitting Diode) can indeed be used as a photodiode under specific conditions. While LEDs are primarily designed to emit light when forward biased, they also exhibit photovoltaic behavior when reverse biased and exposed to light. In this mode, an LED can generate a small current in response to incident light photons. However, … Read more
Biasing is necessary in electronic circuits, including amplifiers and transistors, to establish the proper operating point or quiescent point (Q-point) for reliable and efficient performance. In amplifiers, biasing ensures that the transistor or operational amplifier operates in its linear region, where small input signals can be accurately amplified without distortion. Without biasing, the amplifier may … Read more
How Does a PTC Relay with Capacitor Work? A PTC (Positive Temperature Coefficient) relay with a capacitor is commonly used in electronic circuits to protect components and regulate the operation of devices. It operates on the principle of resistance changes with temperature, which in turn affects current flow. These types of relays are often found … Read more
Circuit breakers find extensive applications across various electrical systems and installations due to their critical role in protecting electrical circuits and equipment from damage caused by overcurrents or faults. One of the primary applications of circuit breakers is in residential, commercial, and industrial power distribution systems. They are installed at strategic points within these systems … Read more
A solenoid is an electromechanical device typically consisting of a coil of wire wound around a cylindrical core. When an electric current flows through the coil, it generates a magnetic field within the core. This magnetic field causes a movable ferromagnetic plunger or rod located inside the coil to move either towards or away from … Read more