A Rectangular Wire Loop (Length = 60 Cm, Width =

question 57

Multiple Choice

A rectangular wire loop (length = 60 cm, width = 40 cm) lies completely within a perpendicular and uniform magnetic field of magnitude of 0.5 T. If the length of the loop starts increasing at a rate of 20 mm/s at time t = 0, while the width is decreasing at the same rate, what is the magnitude of the induced emf at time t = 4.0 s?

• A) 6.8 mV
• B) 5.2 mV
• C) 3.6 mV
• D) 8.4 mV
• E) 10 mV

---

Definitions:

Work in Process

Inventory that is in the production process but is not yet completed. Also known as work in progress.

Job-order Costing System

An accounting system that accumulates costs per individual job or project to calculate profitability and costs.

Indirect Labor Cost

Costs related to employees who assist in the production process but do not actively work on the product, such as maintenance staff and supervisors.

Manufacturing Overhead

All indirect costs associated with the production process, including utilities, depreciation, and supervision expenses, not directly tied to specific product units.