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Practice question

Question

The resistivity of insulators is typically in the range:

Options

Choose one · Correct answer highlighted

Explanation

Insulators have high resistivity ( 10¹⁰ to 10¹⁹Ω m ) or low conductivity ( 10⁻¹¹ to 10⁻¹⁹ S m^{-1 ), preventing significant current flow. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.

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