Comparative Analysis of Past Delimitation Exercises & Their Impact on Governance

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                          Comparative Analysis  Delimitation is the process of redrawing the boundaries of electoral constituencies to ensure fair representation based on population changes . In India, it is conducted by the Delimitation Commission , an independent body established under Article 82 (for Lok Sabha) and Article 170 (for State Assemblies) after every Census . Key Objectives of Delimitation ✔ Equal Representation – Ensures constituencies have uniform voter strength , preventing overrepresentation or underrepresentation.  ✔ Electoral Integrity – Adjusts boundaries to reflect demographic shifts , maintaining fair political representation .  ✔ Reservation Adjustments – Determines SC/ST reserved seats based on population distribution. Historical Timeline of Delimitation in India 📌 1952 – First delimitation based on the  1951 Census .  📌 1963 – Adjustments after state reorga...
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SEMICONDUCTORS AND INSULATORS

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 A semiconductor is a material that lies between conductors (such as copper) and insulators (such as glass) in terms of electrical conductivity. Here are some key points about semiconductors:

  1. Conductivity Range:

    • Semiconductors have intermediate electrical conductivity.
    • Their resistivity generally decreases as temperature rises, unlike metals.
    • Examples include silicon, germanium, and gallium arsenide.

  2. Doping and Impurities:

    • Semiconductors can be modified by introducing impurities (doping) into their crystal structure.
    • Doping creates differently conducting regions within the same crystal, forming semiconductor junctions.
    • These junctions are the basis for diodes, transistors, and modern electronics.

  3. Applications:

    • Semiconductors are used for amplification, switching, and energy conversion.
    • They exhibit properties like variable resistance, sensitivity to light, and heat responsiveness.
    • Silicon, the most common semiconductor, is critical for electronic circuits.

  4. Quantum Physics and Charge Carriers:

    • Understanding semiconductor behavior relies on quantum physics.
    • Doping significantly increases charge carriers (electrons, ions, and electron holes) within the crystal.

  5. Examples:

    • Silicon and gallium arsenide are widely used semiconductors.
    • Gallium arsenide is essential for laser diodes, solar cells, and microwave circuits.

In summary, semiconductors play a vital role in modern electronics, enabling devices like transistors and integrated circuits.

Now let's see the differences between semiconductors and insulators:

  1. Semiconductors:

    • Definition: Semiconductors are materials whose conductivity lies between that of a metal (like copper or gold) and an insulator (like glass).
    • Properties:
      • Their resistance decreases with an increase in temperature.
      • They exhibit intermediate electrical conductivity.
      • Examples include silicon, germanium, and gallium arsenide.
    • Applications:
      • Semiconductors are crucial for electronic devices such as transistors, diodes, and integrated circuits (ICs).
      • They play a vital role in modern technology, including computers, smartphones, and solar cells.

  2. Insulators:

    • Definition: Insulators are materials that oppose the flow of electric current.
    • Properties:
      • They have high resistivity (or low conductivity).
      • When charged, the charge remains at the initial location and does not distribute across the surface.
      • Examples include glass, rubber, and plastic.
    • Applications:
      • Insulators are used for electrical insulation, protective coatings, and safety (e.g., insulating electrical wires).

In summary, semiconductors bridge the gap between conductors and insulators, while insulators prevent the flow of electric current.

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