Kirchoff's junction rule is a reflection of

Options

A. conservation of current density vector
B. conservation of charge
C. the fact that the momentum with which a charged particle approaches a junction is unchanged (as a vector) as the charged particle leaves the junction
D. the fact that there is no accumulation of charges at a junction

Answer

B, D

Explanation

Kirchhoff's junction rule is based on the law of conservation of charge and is a reflection of the fact that threre is no accumulation of charges at a junction.