When a pure semiconductor is heated, its resistance?
A
increases
B
decreases
C
remains the same
D
increases and then decreases
Verified Correct Answer: B.
Physical Principles & Numerical Solution
Heating a pure semiconductor increases the mobility of electrons and holes and hence the conductivity. thus, the resistance decreases on heating
Source: WAEC / JAMB / NECO Classroom Archive (Record #14085)