Description: The electrons in a conductor (copper for example) freely move from atom to atom, but in a completely random way. Motion of free electrons is normally haphazard. So, a sort of pressure or push helps electrons to move in a particular direction. The technical term for this pressure or push is electromotive force, EMF for short or sometimes simply E. It creates pressure on the electrons which channelizes them to flow in a single direction. But you know it more commonly as voltage. Voltage: Voltage (V) is the unit of potential difference. More clearly, voltage is the difference in potential, between two points. Basically, to find the difference, we need two points. Similarly, to measure volt we need two points. Let A and B are the two points connected through any conducting material. Potential of A is 50 and B is 30 and the unit of potential is coulomb (Q). ‘Point A’ has high potential which means more electrons. ‘Point B’ has low potential which means l...
Very nice and an useful topic
ReplyDelete