A High-Voltage Power Line 23

question 29

Multiple Choice

A high-voltage power line 23.0 m above the ground carries a current of 2 200 A.What is the magnetic field due to the current directly underneath the power line? (µ₀ = 4π × 10−⁷ T⋅m/A)

• A)19.1 µT
• B)60.1 µT
• C)60.9 mT
• D)12.0 mT
• E)12.0 T

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Definitions:

Discrimination

The unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.

Prejudice

Preconceived opinion or bias, often negative, towards people, groups, or subjects, based on stereotypes rather than individual merit.

Groupthink

A psychological phenomenon that occurs within a group of people in which the desire for harmony or conformity in the group results in an irrational or dysfunctional decision-making outcome.

Group Polarisation

The tendency for a group to make decisions that are more extreme than the initial inclination of its members.