Amsa da electron volt yana da kyau. Za a faru daga cikin abubuwa. Ana sani cewa abu na kashi shine watt.
W = VI, idan V ita ce voltage da I ita ce current.
Idan I ita ce current, yana nufin rate of charge transfer. Saboda haka, instantaneous impression of power would be
Daga cikin, q(t) ita ce amount of charge transferred in time t.
A halin energy ita ce
Daga cikin, q ita ce charge in Coulomb crosses a voltage V volts.
Daga expression of energy, za a iya rubuta energy required or work to be done for crossing an electric field of total voltage V by a charge Q coulomb is QV coulomb – volt or joules. A halin charge of an electron ita ce – 1.6 × 10-19 coulomb and consider it has crossed an electric field of total voltage 1 V. Then the total work to be done is charge of electron × 1 V.
This amount of energy is considered as a micro unit of energy called electron-volt.
One electron – volt ita ce abu na kashi a joules which equals to the amount of work to be done for bringing one electron against an electric field of potential difference 1 volt.
This is very tiny or micro unit of energy mainly used for different calculation in atomic and electronic levels. The concept of energy levels in the materials is dealt with this micro unit of energy that is electron volt. Not only the energy of electrons, this unit is also used for all types of energy like thermal, light etc.
Source: Electrical4u
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