Contemporary Electronics Fundamentals, Devices, Circuits, and Systems 1st Edition by Louis Frenzel

Exercise 2

When applying Kirchhoff's current law,
A) consider all currents flowing into a branch point positive and all currents directed away from that point negative.
B) consider all currents flowing into a branch point negative and all currents directed away from that point positive.
C) remember that the total of all the currents entering a branch point must always be greater than the sum of the currents leaving that point.
D) the algebraic sum of the currents entering and leaving a branch point does not necessarily have to be zero.