The major difference between a pure semiconductor... | JAMB UTME - Physics - 2003

Question 1 Report

The major difference between a pure semiconductor and a pure metal is that

metals are harder than semiconductor

while resistance of metals decrease with temperature , the reverse is the case for semiconductor

the resistance of metals increases with temperature, while for semiconductors, it is the reverse

metals have forbidden gaps while semiconductors have not

Answer Details

The major difference between a pure semiconductor and a pure metal is that the resistance of metals increases with temperature, while for semiconductors, it is the reverse. In other words, as the temperature of a metal increases, its resistance also increases, while for semiconductors, the resistance decreases with increasing temperature. This property is what makes semiconductors useful in electronic devices like transistors, diodes, and solar cells, where the electrical conductivity can be controlled by varying the temperature or by doping with impurities.

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Electrostatics

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The major difference between a pure semiconductor and a pure metal is that

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