Physics · Electric Circuits
According to Kirchhoff's Current Law (KCL) for a node where multiple branch currents meet, which mathematical statement correctly represents the law?
- 1The product of entering currents is equal to the sum of leaving currents.
- 2The algebraic sum of all voltages around any closed loop is zero.
- 3The algebraic sum of all currents entering and leaving the node is zero.✓
- 4The sum of branch resistances determines the direction of the nodal current.
Correct answer
The algebraic sum of all currents entering and leaving the node is zero.
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