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ASSERTION (A): The electrical conductivity of a semiconductor increases on doping. REASON (R): Doping always increases the number of electrons in the semiconductor. - Physics

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Question

ASSERTION (A): The electrical conductivity of a semiconductor increases on doping.

REASON (R): Doping always increases the number of electrons in the semiconductor.

Options

  • Both A and R are true and R is the correct explanation of A

  • Both A and R are true and R is NOT the correct explanation of A

  • A is true but R is false

  • A is false and R is also false

MCQ

Solution

A is true but R is false

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Classification of Metals, Conductors and Semiconductors
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2022-2023 (March) Sample
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