Physics - Magnetism Question with Solution | TestHub

Since the magnetic field at$\mathrm{Q}$by$\mathrm{P}$and$\mathrm{R}$is inward, therefore, both due to$20 \mathrm{A}$$\left(\mathrm{P}\right)$as well as$60 \mathrm{A}$$\left(\mathrm{R}\right)$, the force on$\mathrm{Q}$is towards left.