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Science · 2022 · 3 marks
CBSE 2022 · Region 3 · Set 1 · Q11
What is a Solenoid ? Draw the pattern of the magnetic field lines around a current carrying solenoid. Mark on the pattern the region where the magnetic field is uniform.
Marking-scheme solution
Solenoid: A coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder.
Pattern of field lines:
Field is uniform only inside the solenoid. (Position of the uniform field to be marked in the figure)
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CBSE Class 10 Science past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.