Kirchhoff's law was introduced by the German physicist named Gustav Kirchhoff. There are two different kirchhoff's laws to be analysed while using electrical circuits.
Kirchhoff's first law or Kirchhoff's Current Law 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.
Kirchoff's second law or Kirchhoff's Voltage Law The directed sum of the electrical potential differences (voltage) around any closed network is zero.
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