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WorksheetsBasic Electronics Quiz
Total questions: 25
Worksheet time: 14mins
Semiconductors is formed by _________ Bonds
Electrovalent
Co ordinate
Covalent
None of the above
A semiconductor has ________ temperature coefficient of resistance
Positive
Negative
Zero
None of the Above
Most Commonly used semiconductor material is (a)
A Semiconductor has generally ______ valence electrons
4
6
3
2
Semiconductor in its pure form called __________________semiconductor
Extrinsic
N type
P type
Intrinsic
Example for Trivalent atoms________
Phosphorous
Arsenic
Boron
Antimony
Example for Pentavalent atoms
Boron
Aluminium
Indium
Phosphorous
The number of electrons present in outer most orbit is called (a) electrons
An n type semiconductor is ________
positive charged
Negative charged
Electrically Neutral
None of the above
Barrier potential of Germanium diode is (a) v
the Cut-in voltage of Ideal diode is _______ Volts
0.1
0.2
0.3
0
Reverse saturation of leakage current of Diode wil be in the order of ________ A
milli
micro
Kilo
In a BJT, which region is heavilty doped ___________
Base
Emitter
Collector
All
For using BJT as Amplifier, BJT must be operated in ______ region
Saturation
Cutoff
Active
Any region
Diode is ________ directional device
Uni
Bi
None
BJT can be considered as _________ diodes connected back to back
two
three
four
in BJT, relation between Ib, Ic, Ie is _________
Ie = Ic x Ib
Ie = Ic + Ib
Ic = Ie + Ib
Ib = Ie + Ic
Approximate value of α is ________
0
> 1
100
0.98 or less than 1
In active region
EB junction is Reverse Bias, CB junction Forward Bias
Both the junction Forward Biased
Both the junction Riverse Biased
EB junction is Forward Bias, CB junction is Reverse Bias
Most used BJT configuraion is
Common Base
Common Collector
Common Emitter
β of transistor is ratio of
IB/IC
IE/IC
IC/IB
IC/IE
Relation between Alpha and Beta is
Alpha = 1 + Beta
Beta = Alpha -1
Beta = alpha / [1 - alpha ]
Alpha = Beta / [1 - Beta ]
typical value of β is
0
1
20 to 200
< 0
Zener diode is connected in _________ Bias to use as voltage regulator
Forward
Reverse
un
Breakdown due to Ionization of particle is _________
Zener Breakdown
Avalanche Breakdown
none of the above
