needed to manipulate and harness electricity. At first, these concepts could benoticeably difficult to grasp because we can't "see" them. One cannot see with the naked eye the energy that flows through the wire or the voltage of thebattery is sitting at the table. Lightning in the sky, even though it looks, it's not really happening the energy exchange from the cloud to the Earth, but the reaction in the air with energy through it alone.

In order to detect the transfer ofthis energy, we have to use a measuring instrument such as multimeter,oscilloscope, Spectrum Analyzer and to visualize what happens to the charge in the system. Fear not, this article will give You a basic understanding of voltage,current, and resistance, and how three of them relate to each other.

Electric current is the flow of electrons in a conductor. The force required tomake the current flow through the conductor called voltage and potential isanother term of the voltage. For example, the first metal having a more positivecharge, so it has high potential. On the other hand, the second metal has a morenegative charge so it has a lower potential. The difference between these two points is called potential difference.

Volt, abbreviated "V", is a unit of measurement used interchangeably withvoltage style, potential, and electro. One volt means strength that makes the flow of one ampere through a resistance of one ohm moves.

**Definition Of Voltage**

We define voltage as the sum of the potential energy between two points onthe circuit. One more charge than the other. The difference in charge betweenbetween two points is called voltage. It is measured in volts, which, technically, isthe difference in potential energy between two points which will give one jouleof energy per coulomb charge passing through it (don't panic if it doesn't make sense, all will be explained). The unit "volts" is named after the physicist ItalyAlessandro Volta who invented what is considered the first chemical battery.Voltage is represented in the equation and schemes with the letter "V".

When describing the voltage, current, and resistance, a common analogy tosemuai this is the water tank. In this analogy, the charge is represented by the amount of water, the water pressure is represented by a voltage, and currentrepresented by the flow of water. So for this analogy, remember:

Water = charge

voltage listrikBayangkan a water tank at a certain height above the ground. At the bottom of this tank there is a hose. The pressure on the other end of thehose can represent the voltage. The water in the tank represent the charge. The more water in the tank, the higher the charge, the pressure measured at the other end of the hose.

We can think of this as the tank battery, place where we save some energy andthen release it. If we deplete our tank in a certain amount of pressure beingdown at the other end of the hose. We can consider this as a drop in voltage,such as when a flashlight dims when batteries are ongoing. There is also a decrease in the amount of water that will flow through the hose. Reduced pressure means less water flow, which brings us to this current.

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