MATLAB - Variables and Operators

Variables Like most programming languages, MATLAB allows you to create variables, and assign values to them. Variables are used to represent all data types including scalars, arrays, matrices and strings. MATLAB variables are created with an assignment statement, which creates the “variable” and assigns to it the value of the “expression” on the right hand side.  The syntax is variable name = a value or an expression For...

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Familiarize MATLAB Work Environment

  (Figure courtesy: https://www.cs.uic.edu/~jbell/CourseNotes/Matlab/Introduction.html) Figure 1. A typical MATLAB Desktop The MATLAB Work Environment or MATALB Desktop is the main Matlab application window. It has four sub-windows – Command window, Command history, Workspace and Current Directory as shown in the Figure 1. A Start button is provided on the lower left side, which is used to access MATLAB tools and features. Mathworks made...

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Capacitor - an Introduction

The ability to store energy in the form of electric charge is called capacitance. A device designed to possess capacitance is called a capacitor. A capacitor is a two terminal device used to store energy in the form of electric field. The symbol used to represent capacitance is C. A  capacitor in its simplest form a capacitor is nothing more than two conducting plates separated by a sheet of insulator. In capacitors the conductors are called...

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Anatomy of a Technical Drawing

Different types of electrical drawings are discussed here. Now we will check what are the main parts of a technical drawing. A generic engineering drawing (Blueprint) can be divided into the following five major areas or parts. Title block Grid system Revision block Notes and legends Engineering drawing (graphic portion) The first four parts listed above provide important information about the actual drawing. The ability to understand...

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Basic Electricity Quiz 1

1. Resistance of a material not depending on     A. Length     B. Cross-section     C. Density     D. None of these 2. The resistance between the opposite faces of a meter cube of a material is called     A. Resistivity       B. Temperature coefficient     C. Conductance     D. None of these 3. Which of the following is not a characteristic of a parallel circuit?     A. Branch...

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