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Physics · 2015
JEE Main 2015 · 2015-04-04 Offline · Q21
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…
A rectangular loop of sides $\displaystyle 10$ cm and $\displaystyle 5$ cm carrying a current I of $\displaystyle 12$ A is placed in different orientations as shown in the figures below :
If there is a uniform magnetic field of $\displaystyle 0.3$ T in the positive $\displaystyle z$ direction, in which orientations the loop would be in (i) stable equilibrium and (ii) unstable equilibrium ?
If there is a uniform magnetic field of $\displaystyle 0.3$ T in the positive $\displaystyle z$ direction, in which orientations the loop would be in (i) stable equilibrium and (ii) unstable equilibrium ?Official answer
(3)
(b) and (d), respectively
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JEE Main 2015 Physics question, with the answer from NTA’s final answer key. Where our answers come from.