CBSE 2026 · Region 4 · Set 1 · Q5 · 1 mark

Two identical conductors $\displaystyle 1$ and $\displaystyle 2$ are placed on two frictionless conducting rails R and S in a uniform magnetic field directed vertically downward into the plane of the page. If conductor $\displaystyle 1$ is moved with a constant velocity in the direction as shown in figure, the force on conductor $\displaystyle 2$ will be along :

CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.