Kirchoffs Law

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Kirchhoff's Law
Kirchhoff's Law current states that the sum of the flow of currents into a junction is equal to the sum of the flow of currents out of the junction.
If i_1, i_2, i_3, ....i_n are the current flowing through the junctions in a circuit then kirchoffs law is given by
i_1 + i_2 + i_3 + .... i_n = 0
In general the algebraic sum of electric currents at a junction in a circuit is zero and electric charge is never accumulated at any point in a circuit.
In any circuit the convention followed is is to take currents flowing into a junction as positive and currents flowing out as negative .
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