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CBSE Class 10 Science Question 18 of 22

Magnetic Effects of Electric Current — Question 2

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Question 2

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?

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? NCERT Class 10 Science CBSE Solutions.
Answer

(i) The displacement of rod AB increases when current is increased. This is because the magnetic force experienced by the rod increases with increased current leading to larger displacement of the rod.

(ii) The displacement of rod AB increases when a stronger horse-shoe magnet is used. This is because the magnetic force experienced by the rod increases with increase in the strength of magnetic field leading to larger displacement of the rod.

(iii) The displacement of rod AB increases when its length is increased. This is because the magnetic force experienced by the rod increases with increased length leading to larger displacement of the rod.