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Definition of Kirchhoff's Law..??

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Definition of Kirchhoff's Law..??

Posted by Mr. Singh 4 years, 9 months ago

CBSE > Class 12 > Physics

3 answers

Yogita Ingle 4 years, 9 months ago

Kirchhoff’s First law: Junction law

Junction Law is also known as Kirchhoff’s First Law.
It states that at the junction,sum of current entering the junction is equal to the sum of current leaving the junction.
Junction is any point in the circuit.

Kirchhoff’s Second law: Loop law

Loop law is also known as Kirchhoff’s Second Law.
It states that in a closed loop,algebraic sum of Emfsis equal to the algebraic sum of product of resistances and respective currents flowing through them.
Consider a simple circuit havingEmfs = E₁and E₂; R₁ and R₂ =resistances; current =I₁ and I₂.
Then according to this law : E₁+E₂=I₁R₁+ I₂R₂

Mr. Singh 4 years, 9 months ago

Thnx ???

Muddabbir Hussain 4 years, 9 months ago

1st law: it states that current flowing into a node must be equal to current flowing out of it. 2nd law: it states that the sum of all voltage around any closed loop in a circuit must be equal to zero.

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