kirchhoff’s current law

Kirchhoff’s laws govern the conservation of charge and energy in electrical circuits.

Kirchhoff’s Laws

  1. The junction rule
  2. The closed loop rule

At any node (junction) in an electrical circuit, the sum of currents flowing into that node is equal to the sum of currents flowing out of that node, or: The algebraic sum of currents in a network of conductors meeting at a point is zero

The sum of currents entering the junction are thus equal to the sum of currents leaving. This implies that the current is conserved (no loss of current).

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