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Science · 2022 · 2 marks
CBSE 2022 · Region 2 · Set 1 · Q6
(a) Name the poles P, Q, R and S of the magnets in the following figures 'a' and 'b': Figure 'a' Figure 'b' (b) State the inference drawn about the…
(a)
Name the poles P, Q, R and S of the magnets in the following figures 'a' and 'b' :
Figure 'a' Figure 'b'
(b)
State the inference drawn about the direction of the magnetic field lines on the basis of these diagrams.
OR When is the force experienced by a current - carrying straight conductor placed in a uniform magnetic field.
(i)
Maximum ;
(ii)
Minimum ?
Marking-scheme solution
(i) Maximum - when the direction of current (current carrying conductor) is perpendicular to the direction of magnetic field.
(ii) Minimum - (zero) when the direction of current (current carrying conductor) is parallel / antiparallel / along the direction of magnetic field.
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CBSE Class 10 Science past-paper question from the 2022 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.