A loop of wire is moved toward a pole of a bar magnet as shown in Figure. The force on the loop is
A.
toward the magnet if the loop is closer to the north pole of the magnet and away from the magnet if the loop is closer to the south pole of the magnet
B.
toward the magnet if the loop is closer to the south pole of the magnet and away from the magnet if the loop is closer to the north pole of the magnet
C.
toward the magnet regardless of which pole of the magnet is closer to the loop
D.
away from the magnet regardless of which pole of the magnet is closer to the loop
E.
zero because of vector cancellation and symmetry considerations
Exam No：AP Physics C(EM) Unit 5 Questions Set Year：2024 Question No：7
Answer:
D
Knowledge points:
5.1 Electromagnetism: Electromagnetic Induction (Including Faraday’s Law and Lenz’s Law)
Solution:
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