## The Electric Field of Direct Current (DC) and Alternating Current (AC) The Electric Field of a Direct Current (DC) The Electric Field of Direct Current (DC) and Alternating Current (AC). If a constant voltage is connected across a length of wire, the voltage will cause a proportional current governed by Ohm’s Read More …

## Why Circuit Theory Fails at High Frequency?

Circuit Theory at High Frequency Why Circuit Theory Fails at High Frequency? Circuit theory, which is based on the principles of Kirchhoff’s laws and Ohm’s law, is a powerful and widely used tool for analysing electrical circuits at low to Read More …

## Spherical Coordinate Systems Explanation

What is the spherical coordinate system?  What is the spherical coordinate system? A point P in space in spherical coordinates is uniquely represented in terms of r,θ,φ, where r is the radial distance from O to P, θ in the Read More …

## what is the cylindrical coordinate system?

what is the cylindrical coordinate system? what is the cylindrical coordinate system? This system helps to analyze the geometry of a coaxial cable and we can analyze its  electric field intensity or electric field more easily using them. Three coordinates Read More …