Ohm’s law is the base of all electric circuit’s law. But what do you know about Ohm’s law? If you don’t know then not warry. We are here to understand you about Ohm’s law. Ohm’s law is necessary from a beginner science student to an electrical engineer. So, let’s discuss the Ohm’s law.
When voltage is applied to a conducting material, current will flow through the material. But how much current will flow?
From Ohm’s law we can calculate this current.
Before diving into discussion, we need to know some basic concept about voltage, current and resistance.
What is Ohm's law?
German physicist George Simon Ohm states a relationship between voltage and current for a resistor. This is known as Ohm’ Law.
Ohm’s law states that the voltage v across a resistor is directly proportional to the current i flowing through the resistor.
So, v α i
Here the constant of proportionality for e resistor is its resistance R (resistance of a material remains constant until its internal or external conditions or temperature are unaltered).
Now, we can write v=iR. This is the mathematical expression of Ohm’s law.
Application of Ohm's Law
Ohm’s law has a massive application. All the laws of electrical engineering are established based on the Ohm’s Law.
From Ohm’s law, we can easily calculate the current after applying voltage across a known resistance.
We will see some simple calculation by Ohm’s law in another article.
Frequently Asked Question About Ohm's Law
Ohm's law established relationship between which?
Ohm’s law established relation between voltage and current.
Does Ohm's law applicable all time?
No, Ohm’s law is not applicable in all cases. It has some limitations.
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