This question has Statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two statements.Statement I: A pure semiconductor has negative temperature coefficient of resistance.Statement II: On raising the temperature , more charge carriers are released in to the conduction band.

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This question has Statement I and Statement II. Of the four choices given after the statements, choose the one that best describes the two statements.
Statement I: A pure semiconductor has negative temperature coefficient of resistance.
Statement II: On raising the temperature , more charge carriers are released in to the conduction band.

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Statement I is false, Statement II is true.

Statement I is true, Statement II is false.

Statement I is true, Statement II is true, statement II is not a correct explanation of Statement I.

Statement I is true, Statement II is true, statement II is the correct explanation of Statement 1.

answer is D.

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Detailed Solution

Temperature coefficient of resistance is negative for pure semiconductor. And no. of charge carriers in conduction band increases with increases in temperature.

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