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The two arcs (quarter circles) shown in the figure
below has their center at O. If R₁ < R₂ and I₁ > I2.
The direction of the magnetic field at point O is:
X
+ Z
- Z
➜X
1₁
R₁
R₂
1₁ > 12
O The given in not sufficient
O The magnetic field is zero
None of the above

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