i'd guess, given the conditions are that it's DC, that the greater the distance the greater the resistance, so a circle version would not light up, without incredible voltage that would probably fuse regular house wires

it's just that most people don't understand that electrical current is conveyed by a magnetic field and magnetic fields have zero mass so the time of travel is about hysteresis, which for copper wires is very low as it isn't ferromagnetic... but it's high enough that it seems like the same or near abouts the same as light speed. an experiment using an iron conductor versus copper would confirm this

this is an old debate, also, and the reason why tesla was right and edison was wrong about DC current

the resistance is too high for safe DC voltages, and foot thick wires are just not very practical in terms of cost of production

there is a lot of misconceptions about the nature of electricity

everything is electromagnetic, electricity really is just literally the phenomena of kinetic energy transferred over magnetic fields

this is why this idea you can't create an impulse engine purely via electricity is wrong, electrons are matter, you jsut have to get them in a quantum configuration that turns the velocity into mass long enough to do the newton thing

also i'm not sure sasha is a woman... it's actually a slavic pet name version of alex