13 - Mark the correct answer. In the figure, a current-carrying loop lies in an external uniform magnetic field B = Bo(+k), where Bo is a positive constant with the dimension of magnetic field. Ignore the magnetic field produced by the loop. What is the potential energy, U, of the loop? A) +Bola² B) -Bola² C) +2Bola² D) - 2Bola² E) Zero N y D a x

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13 - Mark the correct answer.
In the figure, a current-carrying loop lies in an external
uniform magnetic field B = Bo(+k), where Bo is a
positive constant with the dimension of magnetic field.
Ignore the magnetic field produced by the loop. What is
the potential energy, U, of the loop?
A) +Bola²
B) -Bola²
C) +2Bola²
D) -2Bola²
E) Zero
N
y
B
a
a
a
x
Transcribed Image Text:13 - Mark the correct answer. In the figure, a current-carrying loop lies in an external uniform magnetic field B = Bo(+k), where Bo is a positive constant with the dimension of magnetic field. Ignore the magnetic field produced by the loop. What is the potential energy, U, of the loop? A) +Bola² B) -Bola² C) +2Bola² D) -2Bola² E) Zero N y B a a a x
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