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Science · 2024 · 3 marks
CBSE 2024 · Region 2 · Set 3 · Q32
Define the term solenoid. Draw the pattern of magnetic field lines around a current carrying solenoid. State how this magnetic field can be used to magnetise a piece of magnetic material, like soft iron.
Marking-scheme solution
Solenoid : A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder.
Refer figure $\displaystyle 12.10$ page $\displaystyle 201$ NCERT
Refer figure $\displaystyle 12.10$ page $\displaystyle 201$ NCERTA strong magnetic field produced inside a solenoid can be used to magnetise a piece of soft iron kept inside it.
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.