In a semiconductor,...

In a semiconductor,

A

there are no free electrons at 0K

B

there are no free electorns at any temperature

C

the number of free electrons increases with temperature

D

the number of free electrons is less that in a conductor.

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The correct Answer is:

A, B, D

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HC VERMA-SEMICONDUCTOR AND SEMICONDUCTOR DEVICES-objective II

In a semiconductor,
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In a p-n junction ,
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The impurity atoms with which pure silicon may be doped to make it a p...
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The electrical conductivity of pure germanium can be increased by
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A semiconducting device is connected in a series circuit with a batter...
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A semiconductor is doped with a donor impurity
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Let ie ,ie and ib represent emitter current, collector current and the...
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In a normal operation of a transistor,
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An AND gate can be prepared by repetitive use of
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