The difference in the variation of resistence with temperature in a metel and a semiconductor arises essmially due to the difference in the
A
crystal sturcture
B
variation of the number of change carriers with tempeature
C
type of bonding
D
variation of scattaring mechanism with temperature
Text Solution
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The correct Answer is:
B
When the temperature increases , certain bounding electrons become free which tend to promate conductivity simultaneously number of collsion between electron and positive kernels increase
