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# Kirchhoff’s law, what is a node?, what is a circuit? What is loop? when this rule

Kirchhoff’s Laws in English:- By this law in any complex circuits current or voltage can be easily detected. Current or voltage can also be determined by Ohm’s law, but Ohm’s law is a bit difficult to use.
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### Kirchhoff’s Law

These rules are used a lot in the field of engineering. He discovered two laws. Which are explained below, which are as follows-

#### 1. First Rule

this rule principle of conservation of charge based on. This junction rule or junction rule also say.

He has described the law of the stream in the first rule. in a nutshell KCL (kirchhoff current law)) They say. Which is defined as follows-

“The sum of the currents coming through a junction or point in an electric circuit or loop is equal to the sum of the currents coming out of it.”

In other words, “the algebraic sum of all the electric currents meeting at any point or point in an electric circuit or loop is zero.”

Currents coming towards a junction or point are considered positive and currents going away from the junction or point are considered negative.

#### 2. Second Rule

It is also called Kirchhoff’s loop law or voltage law or Mash’s law. It is based on the law of conservation of energy. ,kirchhoff rule,

In the second rule law of potential difference has been described. in a nutshell emf it is said. Which is defined as follows-

“The algebraic sum of the electromotive force in a closed circuit or loop is equal to the algebraic sum of the potential differences across the resistors of that circuit.”

In other words:- “The algebraic sum of all the potential differences in a loop or closed circuit is zero.”

### Important point:-

1. The currents going towards the junction are written as positive and the currents going through the junction are written as negative.

### What is a Loop?

A closed circuit is called a loop. In which the nodes related to the circuit are not more than one.

### What is Circuit?

A closed loop is called a circuit, in which current flows through resistors, conductors.

### Who gave the law of current and voltage?

Scientist Gustav Robert Kirchhoff

### Where was scientist Gustav Robert Kirchhoff from?

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