Kirchhoff's junction rule is a reflection of:
a. | conservation of the 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 |
Which of the above statements are correct?
1. b and c
2. a and c
3. b and d
4. c and d