NCERT In-text 12.3 — Q2 - Magnetic Effects of Electric Current
Question: In Activity 12.7, how do we think the displacement of rod AB will be affected if (i) current in rod AB is increased; (ii) a stronger horse-shoe magnet is used; and (iii) length of the rod AB is increased?
Answer: (i) Displacement **increases** when current increases. (ii) Displacement **increases** with a stronger magnet. (iii) Displacement **increases** when length of rod increases.
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