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The Number Density N of Conduction Electrons, the Resistivity $\alpha$ Are Given Below for Five Materials

Question 20

Multiple Choice

The number density n of conduction electrons, the resistivity $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$ , and the temperature coefficient of resistivity $\alpha$ are given below for five materials.Which is a semiconductor?

A) $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$
B) $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$
C) $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$
D) $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$
E) $The number density n of conduction electrons, the resistivity , and the temperature coefficient of resistivity \alpha are given below for five materials.Which is a semiconductor? A) B) C) D) E)$