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Science · 2025 · 1 mark
CBSE 2025 · Region 3 · Set 1 · Q19
Assertion (A): Magnetic field lines around a bar magnet never intersect each other. Reason (R): Magnetic field produced by a bar magnet is a quantity…
Assertion $\displaystyle (A)$ : Magnetic field lines around a bar magnet never intersect each other. Reason $\displaystyle (R)$ : Magnetic field produced by a bar magnet is a quantity that has both magnitude and direction.
Official answer
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.