CBSE 2023 · Region 4 · Set 1 · Q17 · 1 mark

Assertion (A) : A current carrying square loop made of a wire of length L is placed in a magnetic field. It experiences a torque which is greater than the torque on a circular loop made of the same wire carrying the same current in the same magnetic field. Reason $\displaystyle (R)$ : A square loop occupies more area than a circular loop, both made of wire of the same length.

CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.