Given a current carrying wire of non-uniform cross-section. Which of the following is constant throughout the length of the wire?
A. Current, electric field and drift speed
B. Drift speed only
C. Current and drift speed
D. Current only
Answer:D
Given a current carrying wire of non-uniform cross-section. Which of the following is constant throughout the length of the wire?
A. Current, electric field and drift speed B. Drift speed only C. Current and drift speed D. Current only