A Rectangular Loop of Wire Measures 1

Multiple Choice

A rectangular loop of wire measures 1.0 m by 1.0 cm.If a 7.0-A current flows through the wire,what is the magnitude of the magnetic force on the centermost 1.0-cm segment of the 1.0-m side of the loop? (μ₀ = 4π × 10^-7 T ∙ m/A)

A) 9.8 × 10^-6 N
B) 7.8 × 10^-7 N
C) 9.8 × 10^-8 N
D) 4.9 × 10^-6 N