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Science · 2024 · 2 marks
CBSE 2024 · Region 3 · Set 3 · Q24
(a)Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark on it the direction of current in the conductor and the direction of magnetic field lines.OR 24. (b) Name the device used to magnetise a piece of magnetic material. Draw a labelled diagram to show the arrangement used for the magnetisation of a cylinder made of soft iron.
(a)
Draw a labelled diagram to show the pattern of magnetic field lines produced due to a current carrying straight conductor. Mark on it the direction of current in the conductor and the direction of magnetic field lines.
OR 24. (b) Name the device used to magnetise a piece of magnetic material. Draw a labelled diagram to show the arrangement used for the magnetisation of a cylinder made of soft iron.
Marking-scheme solution
(a)
Fig.12.6(a), on page $\displaystyle 199$-NCERT Diagram: Directions of current and magnetic field: OR (b) - Permanent magnet / Current carrying solenoid/ Electromagnet
Fig-$\displaystyle 12.11$, page no.201-NCERT
Diagram: Labelling:
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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.