dalton
einstein
Negative to positive
In a conductive material, the atoms have a number of electrons which freely move back and forth from atom to atom. When an electric potential is applied across the conductor, more electrons start moving in from the negative end. The extra negative charge repels the electrons that are already in the conductor, so they start moving towards the 'positive' end. Electrons are negatively charged, and like charges repel each other. Because there are negatively charged particles (the electrons) moving from negative to positive, we conveniently say that 'current flows' from positive to negative (there are these imaginary positively charged particles), but this is just a concept which makes it easier to think about, and not actually how it works.
Kinetic energy is energy related to movement. Potential energy is energy related to position.Kinetic energy is energy related to movement. Potential energy is energy related to position.Kinetic energy is energy related to movement. Potential energy is energy related to position.Kinetic energy is energy related to movement. Potential energy is energy related to position.
dalton
dalton
the flow of electrons in semi conductor is called electric current. the electrons revolved around the nucleas is called free electrons
No. Electricity is the movement of electrons, and photons have no electrons to move. Photons are the gauge particles for the electromagnetic force, but that's a different concept.
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