Mainline current
What is Kirchhoff law?
Kirchhoff's Current Law states that the total current entering a junction or a node equals the charge leaving the node as no charge is lost.
According to Kirchhoff Current Law for parallel circuits,
- The pair of leads connecting all the branches to the voltage source terminals is the main line.
- All the current in the circuit must come from one side of the voltage source and return to the opposite side for a complete path.
- The amount of current in the main line is equal to the total of the branch currents. The total current that flows from the power supply and back.
- The total current in the main line is equal to the sum of the branch currents.
- This is known as Kirchhoff’s current law (KCL).
- It applies to any number of parallel branches, whether the resistances in those branches are equal or not.
Therefore,
The current that flows from and back to the power supply in a parallel circuit is called Mainline current current.
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