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Free tnpsc model questions Online Test - MeritNotes
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Online Exam
No. of Questions :10
Remaining Time :
1. The important function of a transistor is
(a)
amplification
(b)
electrification
(c)
rectification
(d)
none of the above
2. In P-type semiconductor, majority charge carries are
(a)
protons
(b)
electrons
(c)
neutrons
(d)
holes
3. The outermost partially filled energy level is called
(a)
valency electrons
(b)
core electrons
(c)
conduction electrons
(d)
none of the above
4. Logic gate is a digital circuit with
(a)
one or more input and one or more output
(b)
one or more input and one output
(c)
one input and one or more output
(d)
one input and one output
5. In N-type semiconductor, majority charge carriers are
(a)
electrons
(b)
neutrons
(c)
protons
(d)
holes
6. Base current is usually measured in
(a)
nanoamperes
(b)
amperes
(c)
milliamperes
(d)
microamperes
7. OR and AND gate have
(a)
one or more input but only one output
(b)
two or more input and two outputs
(c)
one or more input and two outputs
(d)
two or more input but only one output
8. The moving coil galvanometer is connected into an ammeter by connecting
(a)
a low resistance in series
(b)
a high resistance in series
(c)
a low resistance in parallel
(d)
a high resistance in parallel
9. The resistance of a semiconductor _____ in temperature.
(a)
decrease with decrease
(b)
decrease with increase
(c)
increases with decrease
(d)
increase with increase
10. Logic gates are _____ in nature.
(a)
octal
(b)
unary
(c)
binary
(d)
ternary
