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

Learn the eight-step model of communication.

Distinguish techniques for effective use of communication technology.

Grasp the necessity of face-to-face interaction despite advances in communication technology.

Identify the components of high-quality writing and speaking.

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Definitions:

Ethical Dilemmas

Situations where individuals face conflicting moral principles, making it challenging to decide on the appropriate course of action.

Generalist Intervention Model

A multi-level approach in social work that is adaptable to a variety of client systems and problems, emphasizing the interchangeability of methods and techniques.

Macro System

The outermost layer in ecological systems theory, encompassing the societal norms, values, and laws that shape individuals' and communities' environments.

Social Justice

Social justice is the pursuit of fairness and equality in society, advocating for the equitable distribution of wealth, opportunities, and privileges within a community.