If the area of the pool and the path combined is 504 square meters, what is the width of the path? A rectangular swimming pool measuring 17 feet by 33 feet is surrounded by a walkway of unifor...
About metal deposition, another well-known approach is to consider the Ω/□ (pronounced "Ohms per square" and called sheet resistance. Knowing this constant (given by the manufacturer) and how many squares are put in series, allows the evaluation of the overall ...
The important thing to compare is the surface area in square millimeters. This shows the comparative size of each sensor. A full frame sensor for example has more than double the surface area of an APS-C sensor, and over 30x the surface area of a smartphone or compact camera sen...