Q. The conductivity of the metal decreases with increases in temperature because
A) The kinetic energy of the electron increases
B) The movement of electrons becomes haphazard
C) The kernels start vibrating
D) The metal becomes hot and starts emitting radiations
Explanation
(c)
Kernals start vibrating and hence, create hindrance in the flow of electrons
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.