I have a question in the chapter electric current
Current is electrons flowing through a conducter(copper wire),but I don't understand why electrons move in specified direction....they are supposed to orbit the nucleus of copper atoms right...? Then what happens to protons and neutrons of copper atom ? How are electrons being able to overcome the attraction of nucleus in atoms...?
Finally my doubt is why current flow and why it does flow only in conducters (why not in nylon thread)
Answers
Answered by
2
yeah this is a very good question
see the valance electrons(the electrons in the outermost shell) gets detached from the parent atom due to some external forces when the atom lokks for stability(attaining the nearest inert gas configuration) these electrons are called free electrons
so when there is voltage applied or potential difference is created the electrons start moving in a specified direction creating current
current flows only in conductors because conductors are the substances which are able to produce free electrons and nylon for example wont supply free electrons for the conduction of electricity
protons and neutrons of the atom wont get affected because it is the electrons which are detaching from the atoms
Similar questions