NEET Physics Magnetic Properties of Materials Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Solenoid magnetic field | (i) High retentivity |
| (b) Permanent magnet creation | (ii) Ferromagnetic materials |
| (c) Hysteresis curve | (iii) Current in coil |
| (d) Magnetisation method | (iv) Hammering a rod |
a-iii, b-i, c-ii, d-iv
a-ii, b-iii, c-i, d-iv
a-iii, b-iv, c-i, d-ii
a-i, b-ii, c-iii, d-iv
Correct Answer
Detailed Explanation
A solenoid generates a magnetic field when current passes through it, which is essential for the creation of permanent magnets from ferromagnetic materials. The hysteresis curve is used to select materials with high retentivity for permanent magnets, and hammering a rod aligns its domains for magnetisation.
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