Three Long, Straight, Parallel Wires All Lie in the Yz

question 17

Multiple Choice

Three long, straight, parallel wires all lie in the yz plane and each carries a current of 20 A in the positive z direction. The two outer wires are each 4.0 cm from the center wire. What is the magnitude of the magnetic force on a 50-cm length of either of the outer wires?

• A) 1.0 mN
• B) 0.50 mN
• C) 1.1 mN
• D) 1.5 mN
• E) 2.0 mN

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Definitions:

Low Affiliation

A term indicating a reduced concern or need for forming close or supportive relationships with others.

Need for Achievement

A psychological trait that drives individuals to pursue and meet goals or standards of excellence, often motivating behavior in competitive environments.

Moderately Difficult Goals

Targets set for individuals or teams that are challenging yet achievable with effort, often optimizing motivation and performance.

Alderfer's ERG Theory

A motivational theory that categorizes human needs into three groups: existential, relatedness, and growth needs, suggesting that when higher level needs are frustrated, individuals will revert to lower level needs.