1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
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
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
The energy band gap is maximum in
A
metals
B
superconductors
C
insulator
D
semiconductor
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The part of a transistor which is most heavily doped to produce large number of majority carriers is
A
emmiter
B
base
C
collector
D
can be any of the above three
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following are not electromagnetic waves?
A
cosmic rays
B
gamma rays
C
$$\beta $$-rays
D
$$X$$-rays
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