Copper coil and aluminium coil are two important components in air conditioning, heating, ventilation systems. Also, copper coils and aluminium coils are widely used in several different industrial applications where highly efficient heat transfer is required. The fundamental difference between copper coil and aluminium coil is that the copper coil is made up of copper tubing which is wound in a coil shape of multiple turns, while the aluminium coil is made up of aluminium tubing which is wound in a coil shape of multiple turns. In this article, we will discuss all the important differences between copper ... Read More

Refrigerator and Air Conditioner (AC) are both electrical appliances that are used to reduce the temperature of a closed space by transferring the heat of the closed space to another place. Both AC and refrigerator work on the principle of heat-sinks, i.e., these devices transfer the heat from a source (or closed space) to another place called sink. Read through this article to find out how Air Conditioners are different from Refrigerators. What is an Air Conditioner? An Air Conditioner is an electrically operated cooling device which is generally used to cool a large closed space such as a ... Read More

Rat-race junction is a microwave device used when there is a need to combine two signals with no phase difference and to avoid the signals that have a path difference.A normal three port Tee junction is taken and 4th port is added to it, to make this rat-race junction. All of these ports are connected in angular ring forms at equal intervals using series or parallel junctions.The mean circumference of total race be 1.5λ and that each of the four ports is separated by a distance of λ/4. The below figure shows the image of a Rat-race junction.Let us consider ... Read More