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69-Those substances which have extremely high resistance are called as.....1 pointAmetreInsulatorConductorsCurrent

Question

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Solution

Break Down the Problem

  1. Identify the key characteristics of substances that exhibit high resistance.
  2. Determine which options provided fit this description.

Relevant Concepts

  • Conductors are materials that allow the flow of electricity with low resistance.
  • Insulators are materials that do not allow the flow of electricity, characterized by extremely high resistance.
  • Ametre is a unit of measurement and not relevant in this context.
  • Current refers to the flow of electric charge, also not relevant.

Analysis and Detail

  1. Ametre: Not applicable, as it is not a type of substance.
  2. Insulator: This fits the definition provided, as insulators have very high resistance.
  3. Conductors: This describes materials with low resistance.
  4. Current: This term refers to the actual flow of electricity and does not describe a substance.

Verify and Summarize

Out of the given options, only "Insulator" directly describes a substance with extremely high resistance.

Final Answer

The substances which have extremely high resistance are called Insulators.

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