A Circular Coil of Wire of 200 Turns and Diameter

question 75

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 0.70 T 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

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Definitions:

Attribution

The process by which individuals explain the causes of behavior and events, often as either internal dispositions or external situations.

Cognitive Dissonance

The psychological discomfort experienced when holding two or more conflicting beliefs, ideas, or values.

Fundamental Attribution Error

A cognitive bias that causes people to overemphasize personal characteristics and ignore situational factors in judging others' behavior.

Situational Attribution

The process of attributing a person's behavior to external or situational factors.