# Posts by Sekhar

## Electromotive Force and its SI unit? Overview, Applications, FAQs

Electromotive Force: Understanding the Basics and Applications Electromotive force (EMF) is an essential concept in physics and electrical engineering, which plays a crucial role in various applications. EMF refers to the electrical potential difference between two points in a circuit or an electric device, which can cause a flow of electric current. In this article,…

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## Electrochemical Energy: Overview | Applications | Examples

Electrochemical Energy: The Future of Sustainable Power Generation Energy is the backbone of modern civilization, powering everything from transportation to communication. However, traditional fossil fuels used for energy generation have become increasingly unsustainable and harmful to the environment. The world needs a reliable and sustainable source of energy that can meet the growing demand while…

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## Physical Principles of Wireless Communications Solutions | Manual | Textbook

1.1 The magnetic field of a plane wave propagating in free space is given by the following expression: H (r,t) = 0 .2 cos(6.28 × 109 [t – x/c] + π/4 ) az (amps/m). a. Write a similar expression for the electric field. b. What are the frequency and the wavelength? c. What is the…

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## The magnetic field of a plane wave propagating in free space is given by the following expression: H (r,t) = 0 .2 cos(6.28 × 109 [t – x/c] + π/4 ) az (amps/m) a. Write a similar expression for the electric field. b. What are the frequency and the wavelength? c. What is the direction of propagation and the direction of linear polarization?

The magnetic field of a plane wave propagating in free space is given by the following expression: H (r,t) = 0 .2 cos(6.28 × 109 [t – x/c] + π/4 ) az (amps/m) a. Write a similar expression for the electric field. b. What are the frequency and the wavelength? c. What are the direction…

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## Effective SEO Strategies: Boost Your Website’s Visibility

SEO: A Beginner’s Guide to Optimizing Your Website for Search Engines In today’s digital age, having a website for your business or personal brand is crucial. However, having a website alone is not enough to guarantee success. With so many websites vying for attention, how do you ensure that your website stands out? The answer…

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## Direct Hydroelectric Climate Control | Overview, Meaning, MCQs

Direct Hydroelectric Climate Control: An Innovative Solution for Climate Change Mitigation Climate change is a significant challenge facing humanity in the 21st century. Rising temperatures, sea levels, and extreme weather events have far-reaching effects on human life, biodiversity, and the economy. Governments, industries, and individuals are looking for ways to mitigate climate change and adapt…

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## Diode Terminal Characteristics | PN Junction Diode | Overview, Meaning,

Diode Terminal Characteristics: Understanding the Fundamentals Diodes are one of the fundamental electronic components that play a vital role in the functioning of many electronic devices. They are used in various applications such as rectification, voltage regulation, switching, and signal processing. To use diodes effectively, it is important to understand the fundamental characteristics of their…

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## Electric Resistance Heating: Overview, Types, Applications, MCQs, FAQs

Electric Resistance Heating (ERH) Electric resistance heating is a heating technology that relies on the resistance of an electric current flowing through a conductor to generate heat. It is widely used in residential, commercial, and industrial applications, from space heating to water heating to industrial process heating. In this article, we will explore the basics…

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## Direct Current (DC) | Alternating Current (AC) | Difference, Examples, MCQs

Direct Current (DC) Direct current, or DC, is a type of electrical current that flows in one direction. It is used in a wide range of electrical systems, from small household appliances to large industrial machinery. In this article, we will explore the basics of direct current, including how it works, its advantages and disadvantages,…

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## What are Digital Circuits | Digital Components Used For

Digital Circuits: Understanding the Basics Digital circuits are an essential part of modern technology, powering everything from smartphones to computers to cars. In this article, we will explore the basics of digital circuits, including how they work, their components, and their applications. Table of Contents Introduction What are digital circuits? Digital circuit components Logic Gates…

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## Depletion and Pinch-Off | Depletion in MOSFET | Meaning, MCQs, FAQs

Depletion and Pinch-Off: Understanding the Phenomenon in Semiconductor Physics Semiconductor physics is a vast field that involves the study of the behaviour of semiconducting materials and their applications in electronic devices. Depletion and pinch-off are two fundamental phenomena that occur in semiconductors, which play an important role in the operation of various electronic devices. In…

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## Direct Current (DC) Circuits Overview | Types, MCQs, FAQs

Direct Current (DC) Understanding the Basics Have you ever wondered how your smartphone, laptop, or any electronic device operates? Well, at the heart of every electronic device is a DC circuit. A DC circuit is a closed path through which an electric current flows in one direction only. It is the basis for the functioning…

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## Determining Factors Definition, Meaning, Applications, MCQs

Determining Factor: The Key to Making Better Decisions Introduction Making decisions is an integral part of our daily lives. From choosing what to wear to making important life-changing decisions, we rely on our decision-making skills to navigate through life. However, the ability to make sound decisions is not a skill that everyone possesses. Often, we…

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## Difference Between Depletion Mode and Enhancement Mode MOSFET

Introduction Metal-oxide-semiconductor field-effect transistors (MOSFETs) are the backbone of modern electronics, powering everything from computers to smartphones to power supplies. MOSFETs come in two types: depletion mode and enhancement mode. While both types of MOSFETs work on the same basic principles, they have important differences in terms of their structure, operation, and applications. In this…

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## What is Meant by Critical Clearing Angle | Critical Clearing Angle Time?

Critical Clearing Angle: Understanding the Importance in Power System Stability Power systems are complex networks that require careful design and management to ensure stability and reliability. One key aspect of power system stability is the critical clearing angle (CCA). In this article, we will explore what the critical clearing angle is, why it is important,…

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## Coulomb’s Law Formula | SI Unit, Problems, MCQs

Coulomb’s Law: The Fundamentals of Electric Charge and Force Introduction Electricity is a fundamental part of our modern world, from the lights that illuminate our homes to the electronic devices that we rely on daily. The behaviour of electric charge and the forces it generates have been studied for centuries, with the French physicist Charles-Augustin…

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## What is the Super Conductivity Heat Transfer | SI Units, Definition

Conductivity: An Essential Property of Materials Conductivity is a fundamental property of materials that determines their ability to conduct electricity. It is a crucial characteristic for various applications, including electronics, energy, and materials science. In this article, we will explore conductivity in detail, including its definition, types, measurement, and applications. Table of Contents Introduction Definition…

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## What are 10 Conductors Examples, Semiconductors, and Insulators

When studying the electrical properties of materials, it is important to understand the concept of band theory. Band theory describes the way electrons are distributed in a solid material and how they behave in response to an applied electric field. Based on their electronic properties, materials can be classified as conductors, semiconductors, or insulators. In…

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## What is the Characteristic of Impedance? Overview, Formula, Types, MCQs,

Understanding Characteristic Impedance: Everything You Need to Know When it comes to electrical circuits and transmission lines, one of the most important parameters to consider is characteristic impedance. In this article, we will explore what characteristic impedance is, how it is calculated, and its significance in electronic circuits. What is Characteristic Impedance? Characteristic impedance, often…

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## Capacitance | Formula, Types, MCQs, Definition & Working

Capacitance: An Introduction to Electrical Charge Storage Electricity has become an integral part of our daily lives. We use it to power our homes, our devices, and even our cars. At the heart of electricity is the concept of charge, which can be stored in a variety of ways. Capacitance is one such method of…

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## Corner Reflector Antenna: Overview, Advantages, and Applications

Introduction A corner reflector antenna is a type of directional antenna that uses a corner reflector to enhance its performance. It consists of a metal or dielectric corner reflector and a dipole or other type of radiator placed in front of it. Are you looking for a high-gain antenna that can deliver excellent performance with…

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## Continuous Time Signal and Discrete Time Signal

Introduction When it comes to digital signal processing, two types of signals are used: continuous and discrete signals. Understanding the difference between these two types of signals is crucial for anyone working with signal processing, including engineers, scientists, and researchers. In this article, we’ll explore the characteristics of continuous and discrete signals, the differences between…

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## Composite Conductors vs Bundled Conductors | Overview, MCQs

As the world moves towards a more sustainable future, the demand for renewable energy sources like wind and solar power is increasing rapidly. To meet this demand, the electricity transmission and distribution infrastructure needs to be upgraded and optimized for greater efficiency. One of the ways this can be achieved is through the use of…

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## Common Base Transistor Connection Definition & Meaning

Introduction Transistors are fundamental components in electronic devices, and their functionality is determined by the way they are connected in a circuit. One of the basic transistor connections is the common base configuration, which has several unique characteristics that make it useful in certain applications. In this article, we will explore the common base transistor…

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## Clipping and Clamping Operations | Types, Applications

Introduction Clipping and clamping operations are common techniques used in signal processing to modify signals for various applications. Clipping is the process of limiting a signal’s amplitude by setting a maximum or minimum threshold, while clamping refers to the process of shifting a signal’s DC level. These techniques have applications in various fields, including audio…

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## What is Circular Convolution | Advantages & Disadvantages

Circular Convolution: Understanding the Concept, Methodology, and Applications Introduction Circular convolution is an important mathematical operation that is widely used in digital signal processing. In this article, we will discuss what circular convolution is, its methodology, and its applications in various fields. What is Circular Convolution? Circular convolution is a type of convolution operation in…

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## What is a Capacitor | Types, Construction, Applications

Capacitor: An Introduction to Understanding Capacitors When it comes to the world of electronics, one component that stands out is the capacitor. A capacitor is an electrical component that stores an electrical charge and is widely used in electronic circuits. In this article, we will delve deeper into capacitors, their types, uses, and how they…

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## What is Fiber Optic Cable Splicing | Overview, Types, Procedure

Cable Splicing: The Process and Importance of Joining Electrical Wires Electricity is a vital part of our daily lives, and it is used to power up homes, offices, and industries. Electrical cables are used to transmit electrical energy from one place to another. Sometimes, these cables need to be extended or repaired, and this is…

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## Buck Boost Converter: What It Is and How It Works

If you’re looking for a way to efficiently manage your power supply, a buck-boost converter might be what you need. In this article, we’ll delve into the basics of a buck-boost converter, including its operation, applications, advantages, and disadvantages. What is a Buck-Boost Converter? A buck-boost converter is a DC-DC converter that allows you to…

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## Bipolar Junction Transistor (BJT) | Theory, Overview, Types

BJT Construction and Symbols: Understanding the Basics BJT or Bipolar Junction Transistors are electronic devices that amplify or switch electronic signals. They are widely used in electronic devices such as amplifiers, oscillators, and digital circuits. In this article, we will discuss the basics of BJT construction, symbols, and their working principle. Table of Contents Introduction…

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