Home Physics Current Electricity General Identify the property which is not character…
Physics Current Electricity General MCQ (Single Correct)

Identify the property which is not characteristic for a semiconductor –

A
At a very low temperatura it behaves as an insulator
B
At higher temperatura two types of charge carriers will cause conductivity
C
The charge carriers are electrons and holes in the valence band at higher temperatura
D
The semiconductor is electrically neutral

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The correct answer is:
C

e – exist in conduction band & holes in valence band.

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