A rectangular loop of sides \( 10 \mathrm{~cm} \) and \( 5 \mathrm{~cm} \) carrying a current \(...

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A rectangular loop of sides \( 10 \mathrm{~cm} \) and \( 5 \mathrm{~cm} \) carrying a current \( I \) of \( 12 \mathrm{~A} \) is placed in different orientations as shown in the figures below
(3)
If there is a uniform magnetic field of \( 0.3 T \) in the positive \( z \) direction, in which orientations the loop would be in
(i) Stable equilibrium and (ii) Unstable equilibrium
[JEE (Main) 2015]
(a) (1) and (2), respectively
(b) (1) and (3), respectively
(c) (2) and (4), respectively
(d) (2) and (3), respectively
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