| Column - I | Column - II |
| A. Magnets | (p) Occurs when a magnet is heated |
| B. Horse shoe magnet | (q) Should be kept in pairs with their opposite poles on the same side. |
| C. Bar magnet | (r) It is U-shaped |
| D. Demagnetisation | (s) Must always be kept away from mobiles, T.V., Music system, computers, etc. |
A) \[A\to (p);B\to (r);C\to (q);D\to (s)\]
B) \[A\to (s);B\to (q);C\to (r);D\to (p)\]
C) \[A\to (r);B\to (p);C\to (s);D\to (q)\]
D) \[A\to (s);B\to (r);C\to (q);D\to (p)\]
Correct Answer: D
Solution :
\[A\to (s);B\to (r);C\to (q);D\to (p)\]
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