1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
At absolute zero, Si acts as
A
non-metal
B
metal
C
insulator
D
none of these
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Formation of covalent bonds in compounds exhibits
A
wave nature of electron
B
particle nature of electron
C
both wave and particle nature of electron
D
none of these
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
By increasing the temperature, the specific resistance of a conductor and a semiconductor
A
increases for both
B
decreases for both
C
increases, decreases
D
decreases, increases
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
The energy band gap is maximum in
A
metals
B
superconductors
C
insulator
D
semiconductor
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