A steady current flows in a metallic conductor of non-uniform cross-section
PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity
Problem
A steady current flows in a metallic conductor of non-uniform cross-section. The quantity or quantities that remain constant along the length of the conductor is or are
(1) Current, electric field, and drift speed
(2) Drift speed only
(3) Current and drift speed
(4) Current only