A Metal Bar Is 20 Cm Long and Has a Rectangular

question 109

Multiple Choice

A metal bar is 20 cm long and has a rectangular cross-section measuring 1.0 cm × 2.0 cm.What is the voltage across its length when there is a 4000-A current through it? The resistivity of the metal is 1.68 × 10^-8 Ω ∙ m.

• A)0.67 V
• B)0.34 V
• C)0.067 V
• D)0.034 V

---

Definitions:

Entrepreneurial Firms

Companies that pursue opportunities, innovation, and value creation, often in the face of risk or uncertainty.

Business Operation

The day-to-day activities and tasks necessary for a company to function and achieve its business objectives.

Life Cycle

Describes the series of phases that a product, organization, or system goes through from initial conception to its eventual decline.

Entrepreneurial Firms

Companies that engage in significant innovations, undertake considerable risk, and aggressively pursue opportunities, typically in a quest to grow.