Current is the flow of electrons, then these electrons are quanta packet data's, whether these elctrons can be used for another type data transfer or not

How does convection affect our atmosphere? our layers of earth? our oceans?

Asheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200oc and is permitted to achieve a steady-state diffusion condition. the diffusion coefficient for nitrogen in steel at this temperature is 6 x 10- 11 m2 /s, and the diffusion flux is found to be 1.2 x 10-7 kg/m2 -s. also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4 kg/m3 . how far into the sheet from this high-pressure side will the concentration be 2.0 kg/m3 ? assume a linear concentration profile.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?