PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism
Problem
In a uniform magnetic field of 0.30 T, four straight conductors of equal length 0.25 m are arranged independently as listed:
Case A: current 6 A, angle with field 30°
Case B: current 4 A, angle with field 60°
Case C: current 5 A, angle with field 45°
Case D: current 3 A, angle with field 90°
Which case experiences the greatest magnitude of magnetic force?
(a) Case D
(b) Case C
(c) Case A
(d) Case B