The Three Loops of Wire Shown in the Figure Are $\vec { B }$

question 337

Multiple Choice

The three loops of wire shown in the figure are all hanging in the same uniform magnetic field $\vec { B }$ that is perpendicular to the page and does not vary with time. Loop 1 swings back and forth like the bob in a pendulum, Loop 2 rotates about a vertical axis, and Loop 3 oscillates up and down at the end of a spring. Which loop (or loops) will have an emf induced in them?

• A) Loop 1
• B) Loop 2
• C) Loop 3
• D) Loops 1 and 3
• E) Loops 2 and 3

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Definitions:

Dollar Voting

A concept where consumers express their preferences and influence market outcomes through their spending decisions, essentially "voting" with their dollars.

Competitive Markets

Markets characterized by a large number of buyers and sellers where no single entity has significant market power, leading to efficient distribution of goods and services.

Public Good Preferences

The collective desire or inclination of a society towards goods or services that are non-excludable and non-rivalrous, benefiting all members of the society.

Government Failure

Occurs when government intervention in the economy causes more harm than good, leading to inefficient allocation of resources or failing to achieve desired policy outcomes.