Net force on a square loop placed at L/3 from a long straight current-carrying wire

1. A.
   $\frac{\mu_{0}I_{1}I_{2}}{3\pi}$
2. B.
   $\frac{3\mu_{0}I_{1}I_{2}}{4\pi}$
3. C.
   $\frac{3\mu_{0}I_{1}I_{2}}{8\pi}$
4. D.
   $\frac{9\mu_{0}I_{1}I_{2}}{8\pi}$

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1. A.
   $\dfrac{\mu_0I_1I_2}{3\pi}$
2. B.
   $\dfrac{3\mu_0I_1I_2}{8\pi}$
3. C.
   $\dfrac{9\mu_0I_1I_2}{8\pi}$
4. D.
   $\dfrac{3\mu_0I_1I_2}{4\pi}$

Tap an option to check your answer.