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QJEEM15Ph538d: JEE Main 2015 Physics - Class 12 JEEM15Ph538d Solution: A rectangular loop of sides 10 c m and 5 c m carrying a current …

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

JEE Main 2015 (Offline) Physics - Magnetic Effect of Current Question 179 English

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 ?

Multiple Choice Options

  • A (B) and (D), respectively
  • B (B) and (C), respectively
  • C (A) and (B), respectively
  • D (A) and (C), respectively

Step-by-Step Verified Solution

For stable equilibrium M→⁡||B→

For unstable equilibrium M→⁡||(−B→)

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