Multiple Choice
Potential energy of a current loop: A round loop of diameter 12 cm, carrying a current of 0.40 A, is placed inside a magnetic field = 0.20 T
+ 0.40 T
. The normal to the loop is parallel to the unit vector
= -0.60
- 0.80
. What is the potential energy of the loop?
A) -4.5 × 10-3 J
B) +2.0 × 10-3 J
C) -2.0 × 10-3 J
D) -2.3 × 10-3 J
E) +4.5 × 10-3 J
Correct Answer:

Verified
Correct Answer:
Verified
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