A light bulb emits light because electricity runs through the wires and creates light.
Honestly, I do not know the answer to this question. But I know for sure how you can save a lot of money on electricity! You need to use portable solar panel . You can carry it with you anywhere and it will generate electricity for you, isn’t it wonderful ?!
I use a portable solar station and I am completely satisfied with how it performs its functions. With this, I was able to save a whole bunch of money!