Contents
When current flows in a wire?
When current flows through a conductor such as a copper wire, all of those electrons that were previously moving about randomly get together and start moving in the same direction. A very interesting effect then happens: The electrons transfer their electromagnetic force through the wire almost instantaneously.
Does current flow through the grounded conductor?
No There is no path for current to flow through the earth back to the source. so current does not flow. or if you believe there is a path just because the negative terminal is connected to earth and the end point of your circuit is connected to earth then the answer is still no because the resistance is too high.
Why does current flow from one wire to another?
Current can flow through the wire because of the inductance that every wire has. As frequency goes up, this becomes evident (as reactance increases). So at different locations on a wire, you have different potential and thus, you have current in between two points.
Ohms law states that “Electric current is directly proportional to the voltage, while the current is inversely proportional to the resistance.” After increasing the voltage, the electrical current increases, which then minimizes power loss during transmission. Some of the factors that increase the resistance of a wire include:
How can current flow through an open wire ( like a dipole antenna )?
In fact it is the capacitance and inductnace of the wires that slows it down a bit just like the elasticity and mass per unit length of the rubber hose that slow down the travel of the news of my opening and shutting the tap}. There are consequences. The length of the dipole antenna wires begins to matter.
Do you know how electricity travels through wires?
Although electricity has become an integral part of our lives, and life without is unimaginable, some of us still don’t understand how it all works. This article aims to help us understand how electricity travels through wires, up to our homes and businesses for consumption.
https://www.youtube.com/watch?v=YZNLfxYEYEo