A Coil Is Rotated in a Magnetic Field About an Axis

question 22

Multiple Choice

A coil is rotated in a magnetic field about an axis perpendicular to both the field and the coil axis (normal to the coil area) . During each rotation, how many times does the flux through the coil equal zero?

• A) 0
• B) 1
• C) 2
• D) 4
• E) more than 4

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Definitions:

Groupthink

A mode of thinking that people engage in when they are deeply involved in a cohesive group, and when members striving for unanimity override their motivation to realistically appraise alternative courses of action; in contrast to group strength, groupthink results in mistakes and failure. Causes of groupthink include the illusion of invulnerability, belief in the inherent morality of the group, rationalization, stereotyping of out-groups, self-censorship, direct pressure, mindguards, and the illusion of unanimity.

Cohesiveness

The quality of forming a united whole, particularly in the context of group dynamics and teamwork.

Insulated Group

A group that is isolated or protected from external pressures or influences, often to maintain focus or cohesion.

Team Concept

Refers to the understanding and approach of working collaboratively with others towards a common goal.