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Science · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q20
Assertion (A): The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing the number of…
Assertion (A) : The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing the number of turns in it.
Reason (R) : The current in each circular turn has the same direction and the magnetic field due to each turn then just adds up.
Official answer
(A)
Both (A) and (R) are true and (R) is the correct explanation of (A).
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CBSE Class 10 Science past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.