A Circular Loop of Wire of Cross-Sectional Area 0

Multiple Choice

A circular loop of wire of cross-sectional area 0.12 m² consists of 200 turns, each carrying 0.50 A. It is placed in a magnetic field of 0.050 T oriented at 30° to the plane of the loop. What torque acts on the loop?

A) 0.25 m∙N
B) 0.52 m∙N
C) 2.5 m∙N
D) 5.2 m∙N
E) 25 m∙N