In a semiconductor- the concentration of electrons is 8-1014 per cm3 and that of the holes is 5-1012 per cm3- The semiconductor is

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Conductors and Insulators

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Question

In a semiconductor, the concentration of electrons is $8 \times 10^{14} {per cm}^{3}$ and that of the holes is $5 \times 10^{12} {per cm}^{3}$ . The semiconductor is

$P$ -type

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$N$ -type

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Intrinsic

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$P N P$ -type

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Solution

The correct option is B $N$ -type
As the concentration of electrons is more than those of the holes, clearly it is an $N -$ type semiconductor.

Hence, $(B)$ is the correct answer.

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In a semiconductor, the concentration of electrons is 8×1014 per cm3 and that of the holes is 5×1012 per cm3. The semiconductor is

The correct option is B N-typeAs the concentration of electrons is more than those of the holes, clearly it is an N−type semiconductor. Hence, (B) is the correct answer.

In a semiconductor, the concentration of electrons is $8 \times 10^{14} {per cm}^{3}$ and that of the holes is $5 \times 10^{12} {per cm}^{3}$ . The semiconductor is

The correct option is B $N$ -type
As the concentration of electrons is more than those of the holes, clearly it is an $N -$ type semiconductor.

Hence, $(B)$ is the correct answer.