Md Nazmul Islam

A rectifier is an essential electronic device that converts alternating current (AC) into direct current (DC), a crucial process in many electronic circuits. Rectifiers come in various types, such as half-wave and full-wave rectifiers, each with specific functions and characteristics. This article explores the purpose of rectifiers, their different...

A transistor is a key electronic component used in devices like smartphones and TVs. It has three terminals—base, emitter, and collector—and functions as both an amplifier and a switch. This article covers the basics of transistor types, their structure, and how they work in electronic circuits. With the use of...

A fuse is an essential electrical safety device designed to protect circuits from excessive current flow. By using a thin, low-melting-point conductor, a fuse can disconnect a circuit when the current exceeds a safe level, preventing potential damage or hazards. In this article, we will explore the function of...

Synchronous motors play a critical role in various industrial and mechanical applications. Unlike other motors, they operate at a constant speed from no load to full load, determined by the synchronous speed (Ns = 120f/P). These motors are unique due to their ability to maintain a fixed rotational speed...

The full form of BJT is Bipolar Junction Transistor, where Bipolar refers to both electrons and holes. Junction means connection, and the word Transistor comes from Transfer + Resistor. The Bipolar Junction Transistor (BJT) is a fundamental semiconductor device that plays a key role in amplifying weak signals and in...

DC generator play a crucial role in converting mechanical energy into electrical energy, making them indispensable in various industrial and commercial applications. Understanding the different types, construction, and working principles of DC generators is essential for anyone involved in electrical engineering or power generation. What is a Machine? A machine is...

The delta connection is a fundamental wiring method used in three-phase electrical systems, particularly for connecting motors. In this configuration, the windings of the motor are connected in a triangular loop, allowing for efficient power distribution and enhanced motor performance. Delta connections are widely used in industrial applications due...

An oscillator is an electronic device that generates and amplifies frequencies across various ranges according to the needs of different devices. Oscillators are fundamental electronic devices designed to generate and amplify varying frequencies to meet the demands of various applications. These devices transform energy from a DC source into an...

The Full Wave Rectifier & Bridge Rectifier are crucial components in converting alternating current (AC) into direct current (DC) for various electronic applications. These rectifiers process both the positive and negative cycles of the AC input, providing a more efficient and consistent DC output compared to half wave rectifiers....

Logic gate is a fundamental building block of digital circuits. These electronic circuits take one or more input signals and produce a single output based on a specific logical function. The most basic logic gates—AND, OR, and NOT—form the core of complex digital systems, enabling everything from simple calculations...

Operating a generator requires careful preparation and adherence to specific safety guidelines to prevent accidents and ensure smooth functioning. Whether you are starting the generator, keeping it running, or shutting it down, following the proper steps can help avoid potential hazards and maintain the longevity of the equipment. This...

A half wave rectifier is an essential component in the field of electronics, designed to convert alternating current (AC) into pulsating direct current (DC). This process involves rectifying only one half of the AC waveform, resulting in a DC output that corresponds to the positive or negative half-cycle of...