LR Circuits: an LR Circuit Contains an Ideal 60-V Battery

question 21

Multiple Choice

LR circuits: An LR circuit contains an ideal 60-V battery, a 42-H inductor having no resistance, a 24-Ω resistor, and a switch S, all in series. Initially, the switch is open and has been open for a very long time. At time t = 0 s, the switch is suddenly closed. How long after closing the switch will the potential difference across the inductor be 24 V?

• A) 1.6 s
• B) 1.4 s
• C) 1.8 s
• D) 1.9 s
• E) 2.1 s

Interpret the effect of changes in accounts receivable, accounts payable, and inventory on cash flows.

Understand the accounting treatment for sale and purchase of bond investments.

Recognize the impact of stock ownership percentages on income recognition and consolidation.

Know the components and calculation of the cost of bond investments.

---

Definitions:

Freshmen

First-year students at a high school, college, or university.

Sample

A subset of individuals or observations taken from a larger population, used for statistical analysis.

Seniors

Older adults, often used to refer to the elderly population or to students in their final year of high school or college.

Grade Distribution

The spreading out of marks achieved by students in a course, often visualized using graphs or tables to understand the performance and grading trends.