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Concept Maps

Magnetic Classification of Substances — Concept Maps

ICSE · Class 12 · Physics

4 concept maps of Magnetic Classification of Substances for ICSE Class 12 Physics, each also written out as a text outline.

44 questions28 flashcards7 formulas & key relations5 concepts

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4 Concept Maps

Magnetic Classification of Substances - Concept Overview

Magnetic Classification of Substances - Concept Overview

The map in words

  • Magnetic Classification of Substances
    • Diamagnetic
      • Weakly repelled
      • Opposite magnetization
      • Chi-m negative
      • Mu-r less than 1
      • Temperature independent
      • Examples: Cu, Zn, Bi
      • Perpendicular alignment
    • Paramagnetic
      • Weakly attracted
      • Same direction magnetization
      • Chi-m small positive
      • Mu-r slightly greater than 1
      • Curie's Law inverse T
      • Examples: Al, Na, O2 liquid
      • Parallel alignment
    • Ferromagnetic
      • Strongly attracted
      • Domains and alignment
      • Chi-m very large positive
      • Mu-r very large
      • Curie-Weiss Law
      • Hysteresis present
      • Examples: Fe, Ni, Co
      • Curie temperature threshold
    • Magnetic Parameters
      • B - Magnetic Induction
      • H - Magnetic Intensity
      • M - Magnetization
      • Mu - Permeability
      • Chi-m - Susceptibility
    • Atomic Model
      • Orbital magnetism
      • Spin magnetism
      • Electron pairing
      • Unpaired electrons
      • Domain structure

Mind map showing the three main classifications of magnetic substances and their key characteristics with examples

Mind map showing the three main classifications of magnetic substances and their key characteristics with examples

The map in words

  • Magnetic Substances
    • Diamagnetic
      • Feebly repelled
      • Negative susceptibility
      • Examples: Copper, Bismuth, Water
    • Paramagnetic
      • Feebly attracted
      • Small positive susceptibility
      • Examples: Aluminum, Platinum, Manganese
    • Ferromagnetic
      • Strongly attracted
      • Large positive susceptibility
      • Examples: Iron, Cobalt, Nickel

Flowchart showing the mechanism of diamagnetism from atomic structure to macroscopic repulsion

Flowchart showing the mechanism of diamagnetism from atomic structure to macroscopic repulsion

The map in words

  • Diamagnetic Substance
    • Even number of paired electrons
      • Electron spins cancel each other
        • Net magnetic moment = 0
          • External field applied
            • Induced magnetization opposes field
              • Substance is repelled
                • χₘ is negative

Magnetic behaviour of substances and their classification into diamagnetic, paramagnetic, ferromagnetic, and specific diamagnetic superconductors

Magnetic behaviour of substances and their classification into diamagnetic, paramagnetic, ferromagnetic, and specific diamagnetic superconductors

The map in words

  • Magnetic behaviour of substances and their classification into diamagnetic, paramagnetic, ferromagnetic, and specific diamagnetic superconductors
    • Magnetic classification
    • Diamagnetic substances
    • Paramagnetic substances
    • Ferromagnetic substances
    • Superconductors
    • Magnetic induction B
    • Magnetisation M
    • Magnetic intensity H

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Frequently Asked Questions

What are the important topics in Magnetic Classification of Substances for ICSE Class 12 Physics?
Key topics in Magnetic Classification of Substances include Classification of Magnetic Substances, Magnetic Induction, Magnetisation, and Magnetic Intensity, Properties of Dia-, Para-, and Ferromagnetic Substances, Atomic Explanation of Magnetism. Study these first, then practise questions on each for the ICSE Class 12 board exam.
What do the concept maps for Magnetic Classification of Substances show?
The 4 maps show how the ideas in Magnetic Classification of Substances connect: Magnetic Classification of Substances - Concept Overview; Mind map showing the three main classifications of magnetic substances and their key characteristics with examples. Each map is also written out as an outline on this page.
How should I revise Magnetic Classification of Substances for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Magnetic Classification of Substances. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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