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A rectangular loop of sides 10 cm and 5 ...

A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 A is placed in different orientations as shown in the figures below ,

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 ?

A

(b) and (d), respectively

B

(b) and (c), respectively

C

(a) and (b), respectively

D

(a) and (c), respectively

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The correct Answer is:
A
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