Which Box in the diagram above, should this picture go into? Box A
ООО
O Box B
O Box C

Plzz answerr idk

r=rho l/a where a is the area, l is the length and rho is resistivity so the greater the area the lesser the resistance thats why the earth pin is thicker bcos current follow the shortest path, so less resistive .

frequency or wavelenth of em radiation in a vacuum