Two Long Parallel Wires Carry Currents of 10 a in Opposite

question 51

Multiple Choice

Two long parallel wires carry currents of 10 A in opposite directions.They are separated by 40 cm.What is the magnitude of the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other? (μ₀ = 4π × 10^-7 T • m/A)

• A) 1.5 µT
• B) 3.3 µT
• C) 6.7 µT
• D) 33 µT
• E) 67 µT

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Definitions:

Ultimate Attribution Error

A bias in which positive behaviors by out-group members are attributed to situational factors, while negative behaviors are attributed to their character.

Group-Enhancing Bias

A cognitive bias that leads people to view their own group more favorably compared to others.

Group Production Blocking

A process during collaborative work where the flow of ideas or productivity is impeded because only one group member can contribute at a time.

False Consensus Effect

A cognitive bias whereby people tend to overestimate the extent to which their opinions, beliefs, preferences, values, and habits are normal and typical of those of others.