2019-09-24
Voltage is a physical quantity to measure the energy difference of unit charge in electrostatic field due to different potential. Its magnitude is equal to the work done by the unit positive charge moving from point A to point B under the action of electric field force.
2019-09-17
After the electricity is output from the power plant, only after transmission can it get to the user's house, so how can the transmission of electric power be carried out? The following is an introduction to the transmission process of electric power.