Question

If temperature of pure silicone specimen is increased, then

Answer 1

Its conductivity will increase as we raise the temperature of pure silicon specimen

Explanation:

• Pure silicon is an intrinsic type of semiconductor that is do not have any doping or impurity in it, we also know that the conductivity of semiconductors increases with increase in temperature or its resistivity reduces with rise in temperature
• With increase in temperature more electrons starts moving from valence band to conduction band or more holes are created in the valance band so more free charges are there hence conductivity is increased in pure silicon
• The conductivity of conductors decreases with rise in temperature
• Conductivity of semiconductors can also be increased by adding some impurity and making it extrinsic type semiconductor and the process is called doping

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