Grade 12th passElectric Current

What is the effect of temperature on semi conductor.

syed sahil

9 Years agoGrade 12th pass

4 Answers

Vikas TU

9 Years ago

With increasing temperature the Resistance of the semiconductor increases and therefore, the number of charge carriers increases in the semiconductor which leads to eventually in the conductiity increment.

Sridharan N

9 Years ago

In semiconductors, the resistance increases with increase in temperature because they are conducted by holes.

Sarasij Basu Mallick

9 Years ago

If temparature is increased , the electron holes get free so the current incresed......If temparature is decreased,the electron holes get recombinated.so current decresed......

Ruhi

9 Years ago

In case of semiconductors the relaxation time with temperature does not change with temperature but the number I density of free electrons increase with increase in temperature. So conductivity increases or resistivity decreases. ORWith increase in temperature the speed of elections which jump from valence band to conductance band increases. So conductivity increases and resistivity decreases