B. Assuming a 1 ounce copper PCB, what is the resistance per centimeter of traces with the following widths?

Can you give me a proper explanation in a structured way?? Please use text to make it easy for me.

1) EXPLAIN ELECTRON MOTION IN METAL AND INSULATOR WITH SIMPLE FIGURES? 2) EXPLAIN n-TYPE SEMICONDUCTOR AND DRAW ITS ELECTRONIC BAND STRUCTURE?

International Standards: - Are defined by international agreement - Have the highest possible achieved accuracy - Periodically evaluated and checked - Not available to ordinary users, maintained at International Bureau of Weights and Measures Select one: True False