A Circular Current Loop Is Placed in an External Magnetic

question 42

Multiple Choice

A circular current loop is placed in an external magnetic field. How is the torque related to the radius of the loop?

• A) directly proportional to radius squared
• B) directly proportional to radius
• C) inversely proportional to radius squared
• D) inversely proportional to radius

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Definitions:

Amygdala

A part of the brain's limbic system involved in emotion regulation, fear processing, and the formation of emotional memories.

Hypothalamus

A region of the brain responsible for the regulation of certain metabolic processes and other activities, including temperature control, hunger, and circadian rhythms.

Autonomic Subdivision

A part of the nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.

Sympathetic Nerves

Part of the autonomic nervous system that often prepares the body for rapid action in response to stress by accelerating the heart rate and increasing blood pressure, among other functions.