A rigid circular loop has a radius of 0.20 m and is in the x-y plane. A clockwise current…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A rigid circular loop has a radius of 0.20 m and is in the x-y plane. A clockwise current I is carried by the loop, as shown. The magnitude of the magnetic moment of the loop is 0.75 A-m2. A uniform external magnetic field, B = 0.20 T in the positive x-direction, is present
In figure the loop is released from rest. The initial motion of the loop is described by
- point a moves out of the plane, point c moves into the plane
- points a, b, c and d move counterclockwise
- point a, b, c and d move clockwise
- point c moves out of the plane, point a moves into the plane
Answer
(A) point a moves out of the plane, point c moves into the plane
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