Question

A steady current is passing through a linear
conductor of nonuniform cross-section. The
drift velocity of electrons
1) same at any cross-section
2) varies unpredictable
3) more at higher area of cross-section
4) more at smaller area of cross-section​

Answer 1

Answer:

4

Explanation:

As I = NEAVd

Vd proportional to 1/A

so area less Vd more