A Circular Coil of Wire of 200 Turns and Diameter

question 42

Multiple Choice

A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 4.0 A.It is placed in a magnetic field of with the plane of the coil making an angle of 30° with the magnetic field.What is the magnetic torque on the coil?

• A) 0.15 N • m
• B) 0.088 N • m
• C) 0.29 N • m
• D) 0.40 N • m
• E) 0.076 N • m

---

Definitions:

Sympathetic Innervation

Part of the autonomic nervous system that generally stimulates the body's fight-or-flight response, increasing heart rate and blood flow, among other functions.

Adrenal Medulla

The inner part of the adrenal gland that secretes adrenaline and noradrenaline, involved in the body's response to stress.

Splanchnic

Pertaining to the viscera or internal organs, especially those of the abdominal cavity.

Autonomic Nervous System Function

Controls involuntary body functions, such as heartbeat, digestion, and breathing.