It is probably a trivial question but from my understanding when I have simple circuit with 3 light bulbs one after another at the wire the second bulb will get decreased voltage compared to the first(so it will give less light than first), the third bulb will get decreased voltage compared to the second (so it will give less light than second) - so how is that in the house every bulb(and actually every electronic device) gets the right amount of energy,voltage no matter how many devices u connect to your house circuit