NEET-XII-Physics
qstns with ansrs year:2022
- #21As the temperature increases, the electrical resistance :
(A)decreases for conductors but increases for semiconductors
(B)increases for both conductors and semiconductors
(C)decreases for both conductors and semiconductors
(D)increases for conductors but decreases for semiconductorsdigAnsr: DAns : For conductors `` \alpha `` is (+)ve
For semiconductors & Insulators `` \alpha `` is (-)ve