Published by:
CGP EDU Academic Team
Published on: September 11, 2026
The permanent magnet is made from which one of the following substances
Text Solution
Verified by ExpertsThe correct answer is:
C
Step 1: Understand the classifications of magnetic materials. There are four main types: diamagnetic, paramagnetic, ferromagnetic, and electromagnetic materials.
Step 2: Analyze the options:
Step 3: Identify that permanent magnets are primarily made from ferromagnetic materials such as iron, nickel, and cobalt, which have the properties of retaining magnetization.
Conclusion: Thus, the correct answer is Ferromagnetic (C).
Step 2: Analyze the options:
- Diamagnetic: These materials create an opposing magnetic field when placed in an external magnetic field. They do not retain any magnetization in the absence of the external field.
- Paramagnetic: These materials are attracted by an external magnetic field and have unpaired electrons, but they do not retain magnetization when the external field is removed.
- Ferromagnetic: These materials can be permanently magnetized. They have a strong attraction to magnetic fields and retain magnetization even after the external field is removed due to the alignment of magnetic domains.
- Electromagnetic: This is a type of magnet that relies on electric current to produce a magnetic field; it is not a permanent magnet.
Step 3: Identify that permanent magnets are primarily made from ferromagnetic materials such as iron, nickel, and cobalt, which have the properties of retaining magnetization.
Conclusion: Thus, the correct answer is Ferromagnetic (C).
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