A Rigid Rectangular Loop, Measuring $0.30 \mathrm {~m}$ By $0.40 \mathrm {~m}$

question 26

Multiple Choice

A rigid rectangular loop, measuring $0.30 \mathrm {~m}$ by $0.40 \mathrm {~m}$ , carries a current of $9.9 \mathrm {~A}$ , as shown in the figure. $\mathrm { A }$ uniform external magnetic field of magnitude $1.8 \mathrm {~T}$ in the $- x$ direction is present. Segment CD is in the $x z$ -plane and forms a $19 ^ { \circ }$ angle with the $z$ -axis, as shown. What is the $y$ component of the magnetic force on segment $A B$ of the loop?

• A) \(0.0 \mathrm {~N}\)
• B) \(- 1.7 \mathrm {~N}\)
• C) \(+ 5.1 \mathrm {~N}\)
• D) \(+ 1.7 \mathrm {~N}\)
• E) \(- 5.1 \mathrm {~N}\)

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