Electric voltage (V) is the force that moves electric current to flow along an electrical circuit. According to the theory of electron, a positively charged object if the object lack negatively charged electrons and if it is the excess electron. In different circumstances this is the emergence of the energy charge potential which lies between these objects. Therefore, if a piece of conducting wire connected between the two, there will be a transfer of energy, and goes on as long as there are different voltages. Voltage difference due to the occurrence of each charge has a potential power to move a load in a way attractive or reject.

Voltage difference between two points can be generated by conducting put pressure on electricity from a power plant, battery, or voltage sources other.
Batteries as a source of electric voltage


Unit to measure the electric voltage is called the Volt, or abbreviated with the letter V. PLN source voltage is 220 V, battery voltage typically 1.5 V, while the voltage batteries are usually 6 V and 12 V.

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