A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 A is placed in differentorientations as shown in the figures below : 1) 2) 3) 4) If there is a uniform magnetic field of 0.3 T in the positive z direction, in which orientations the loopwould be in (i) stable equilibrium and (ii) unstable equilibrium?

Correct Answer is : (2) and (4), respectively

JEE Mains Model Paper 7

Question : 22 of 90

Marks: +1, -0

A rectangular loop of sides 10 cm and 5 cm carrying a current I of 12 A is placed in differentorientations as shown in the figures below :
1)

If there is a uniform magnetic field of 0.3 T in the positive z direction, in which orientations the loopwould be in (i) stable equilibrium and (ii) unstable equilibrium?

(2) and (4), respectively
(2) and (3), respectively
(1) and (2), respectively
(1) and (3), respectively

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