A Wire Has a Cross-Sectional Area of 0

question 29

Multiple Choice

A wire has a cross-sectional area of 0.10 mm². If there are 4.0 × 10²⁸ atoms per cubic meter in this wire, and if each atom contributes 2 free electrons, what is the drift velocity of the electrons when the current in the wire is 6.0 A? (e = 1.60 × 10^-19 C)

• A) 0.0047 m/s
• B) 0.0092 m/s
• C) 0.94 m/s
• D) 0.019 m/s

Grasp the significant labor movements and strikes of the late 1800s and early 1900s.

Understand the concept of exclusive jurisdiction within the AFL and its significance.

Analyze the impact of welfare capitalism and employer strategies on unionization.

Learn about the legislative acts that have influenced labor relations and union activities.