Measurement of Low, Medium & High Resistance

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Resistance is classified into three categories for the sake of Measurement. Different categories of Resistance are measured by the different techniques. They are classified as

Low Resistance: Resistance having value 1Ω or below are kept under this category.

Medium Resistance: This category includes Resistance from 1Ω to 0.1 MΩ.

High Resistance: Resistance of the order of 0.1 MΩ and above is classified as High resistance.

The different methods used for the measurement of Low resistance are as follows:

  1. Kelvin’s Double bridge method
  2. Potentiometer method
  3. Ducter ohmmeter

The different methods used for the measurement of Medium resistance are as follows:

  1. Ammeter Voltmeter method
  2. Substitution Method
  3. Wheatstone Bridge Method
  4. Ohmmeter Method

The different methods used for the measurement of High resistance are as follows:

  1. Direct deflection method
  2. Loss of charge method
  3. Megohm bridge
  4. Meggar
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1 thought on “Measurement of Low, Medium & High Resistance”

  1. Great post! I found the explanations on measuring low, medium, and high resistance very clear and helpful. The comparison of different methods really enhanced my understanding. Looking forward to more insights from Electricalvoice!

    Reply

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