Question

Choose the correct statement of Kirchhoff's current law.
1. The product of the currents entering a node equals the product of the currents leaving.
2. The sum of the currents entering a node equals the sum of the currents leaving.
3. The sum of the currents entering a node is zero.
4. The product of the currents entering a node is zero.

Answer 1

Number 3. The sim of the currents entering a node is zero