A single hoop of metal wire is placed near a localized region of uniform magnetic field that is directed into the page. Which of the following processes will lead to an induced emf and induced current on the hoop? I. II. X ххх K XXX* ххх x X Hoop rotating clockwise (Axis is perpendicular to the page) xxx XXX X X X Decreasing magnetic field magnitude III. C X X X X хх X X X X X Hoop moving downward X ххх K **** A- A-- x x x K X X Hoop rotating about the horizontal axis X X X IV.

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Chapter1: Units, Trigonometry. And Vectors
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A single hoop of metal wire is placed near a localized region of uniform magnetic
field that is directed into the page. Which of the following processes will lead to an
induced emf and induced current on the hoop?
I.
II.
ххх
хох
ххх
X
Hoop rotating clockwise
(Axis is perpendicular to the page)
XX
XX
X
X X X
Decreasing magnetic field magnitude
III.
хххх
хх
хх
ххххх
ххх X X
Hoop moving downward
X
> ххх K
X
X
XX
A
ххх K
X
X
Hoop rotating about the horizontal axis
A. I and IV only
B. I, III, and IV only
C. I, II, III, and IV
D. I. II, and III only
X
IV.
X X
x
Transcribed Image Text:A single hoop of metal wire is placed near a localized region of uniform magnetic field that is directed into the page. Which of the following processes will lead to an induced emf and induced current on the hoop? I. II. ххх хох ххх X Hoop rotating clockwise (Axis is perpendicular to the page) XX XX X X X X Decreasing magnetic field magnitude III. хххх хх хх ххххх ххх X X Hoop moving downward X > ххх K X X XX A ххх K X X Hoop rotating about the horizontal axis A. I and IV only B. I, III, and IV only C. I, II, III, and IV D. I. II, and III only X IV. X X x
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