Temperature dependence of resistivity p(T) of semiconductors, insulators and metals is significantly based on the following factors:

Options

A. number of charge carriers can change with temperature T
B. time interval between two successive collisisons can depend on T
C. length of material can be a function of T
D. mass of carriers is a function of T

Explanation

Kirchhoff's junction rule is also known as kirchhoff's current law which states that the algebraic sum of the currents flowing towards any point in an electric network is zero. i.e., charges are conserved in an electric network. So, kirchhoff''s junction rule is the reflection of conservation of charge.