## Law and resistance

Ohm's Law states that the difference in voltage or potential between two points is directly proportional to the current of electricity flowing through the resistor and inversely proportional to the circuit resistance. The formula for Ohm's law is V = IR. The connection between current, voltage and connection was discovered by German scientist Georg Simon Ohm. Let's learn more about Ohm's law, resistance, and its application.

## Definition of Ohmic law

The main components of electricity are voltage, current, and resistance. Ohm's Law shows a simple relationship between these three quantities. Ohm's Law states that the current through a line between two points is directly proportional to the voltage at both points.

## Legal formula

Voltage = current × resistance
V = I × R
V = voltage, I = current and R = resistance

The SI resistance unit is ohms and is designated with Ω

This law is one of the most basic electricity laws. This helps calculate the power, efficiency, current, voltage, and resistance of the electrical element.

For other topics, see Electricity
Current and circuit diagram
Electric potential and potential difference
The heating effect of electric current and its application
What is the magnetic effect of electric current?

## Application of Om's law

Ohm's Law helps us to determine either the voltage, current or impedance or impedance of a linear circuit if we know the other two quantities. It also simplifies performance calculations.

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