Explanation of Basic Electric Voltage and Unit
What is Electric Voltage? What is the unit? – As we already know that electric current will flow from minus to plus.
In other words, current will exist, if one point is positively charged and the other is negatively charged.
The condition of this one charged point, in the future we will call it a point that has a Potential Charge.
When a point has a positive charge and another point has a negative charge, then these two points are said to have a Potential Difference, because they have different potential charges.
Potential difference in other languages is often referred to as Electric Voltage or Electric Pressure.
The higher the potential difference between two points, the higher the voltage will be to push the current so the current moves faster.
After we know the meaning of this electric voltage, where can the voltage source be generated?
There are several sources of electrical voltage, including:
- Solar Panel
The difference between them lies in the material used to generate the potential difference between the two poles (points) and the direction of movement of the electrons (AC and DC).
What is 1 Volt?
Voltage has units of Volts. Taken from the name of the inventor of electric voltage, is Alessandro Volta.
1 Volt = 1 Joule per 1 Coulomb
Joule is a unit of Energy.
1 joule has the meaning of the amount of energy required to apply a force of 1 newton to a distance of 1 meter.
1 Newton is the force required to give an acceleration of 1 meter per second, to a mass of 1 kilogram.
1 Coulomb is a unit of electric charge that has 6,250,000,000,000,000 free electrons.
So the meaning of 1 Volt is if 1 Newton of force can push 6,250,000,000,000,000 free electrons as far as 1 meter.
Another way to understand the meaning of Voltage is through Power.
1 Volt is equal to 1 Watt per 1 Ampere
Equation Form: 1 volt = 1 watt / 1 ampere
Electrical Power (watts) is the energy of 1 Joule to move an electric charge in 1 second.
So 1 Volt is Energy 1 Joule can push 6,250,000,000,000,000 free electrons as far as 1 meter in 1 second.
The power source will generate power, while the electrical load will absorb power.
After we know the basic meaning of electric voltage, then let’s get to know the two types of voltage, namely AC and DC.
For more information, please read on Differences in AC and DC Voltages.
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