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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