JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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Identify the property which is not characteristic for a semiconductor?

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Correct option: C

The charge carriers are electrons and holes in the valence band at higher temperatures

Option C (The charge carriers are electrons and holes in the valence band at higher temperatures) is correct because at higher temperatures, electrons move to the conduction band, not remain in the valence band.

More Questions from SEMI CONDUCTOR DEVICES

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A PN-junction has a thickness of the order of In a

PNP

transistor the base is the

N

-region. Its width relative to the

P

-region is A solid reflects incident light and its electrical conductivity decreases with temperature. The binding in this solid is An alternating current can be converted into direct current by a A N–P–N transistor is used in inverse active mode of operation then its emitter base junction should be in In the case of constants

\mathrm{\alpha\; and\; \beta }

of a transistor