A Metal Bar Is $20 \mathrm {~cm}$ Long and Has a Rectangular Cross-Section Measuring

question 70

Multiple Choice

A metal bar is $20 \mathrm {~cm}$ long and has a rectangular cross-section measuring $1.0 \mathrm {~cm} \times 2.0 \mathrm {~cm}$ . What is the voltage drop along its length when it carries a 4000-A current? The resistivity of the metal is $1.68 \times 10 ^ { - 8 } \Omega \cdot \mathrm { m }$ .

• A) \(0.034 \mathrm {~V}\)
• B) \(0.67 \mathrm {~V}\)
• C) \(0.067 \mathrm {~V}\)
• D) \(0.34 \mathrm {~V}\)

---

Definitions:

Raw Materials Inventory

The goods and materials that a company holds that are intended for use in the production process.

Raw Materials Purchased

The total cost of raw materials bought by a company for use in production during a specific time period.

Job Order Cost Sheet

A record maintained for each job in a job order costing system, detailing the materials, labor, and overhead costs incurred.

Internal Control

Processes and procedures implemented by a company to ensure the integrity of financial and accounting information, promote accountability, and prevent fraud.