Q. Resistance of a semiconductor
A) Increases with increase in temperature
B) Decreases with increase in temperature
C) Is not affected by change in temperature
D) Increase for germanium and decrease for silicon
Explanation
(b) The electric resistance of a typical intrinsic (non doped) semiconductor decreases exponentially with temperature
$R = R_{0}{\ e}^{\frac{\alpha}{T}}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.