MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Electrical Engineering
Semiconductor Diode
Quiz 1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Q.1
The ___________ filter circuit results in the best voltage regulation
choke input
capacitor input
resistance input
none of the above
Q.2
An ideal crystal diode is one which behaves as a perfect ___________ when forward biased.
conductor
insulator
resistance material
none of the above
Q.3
If the doping level of a crystal diode is increased, the breakdown voltage___________
remains the same
is increased
is decreased
none of the above
Q.4
A crystal diode has forward resistance of the order of ___________
kΩ
Ω
MΩ
none of the above
Q.5
A zener diode is ___________ device
a non-linear
a linear
an amplifying
none of the above
Q.6
The leakage current in a crystal diode is due to ___________
minority carriers
majority carriers
junction capacitance
none of the above
Q.7
If the PIV rating of a diode is exceeded, ___________
the diode conducts poorly
the diode is destroyed
the diode behaves like a zener diode
none of the above
Q.8
A zener diode is destroyed if it___________
is forward biased
is reverse biased
carrier more than rated current
none of the above
Q.9
The reverse current in a diode is of the order of ___________
kA
mA
μA
A
Q.10
Mains a.c. power is converrted into d.c. power for ___________
lighting purposes
heaters
using in electronic equipment
none of the above
Q.11
There is a need of transformer for ___________
half-wave rectifier
centre-tap full-wave rectifier
bridge full-wave rectifier
none of the above
Q.12
A zener diode utilizes ___________ characteristics for its operation.
forward
reverse
both forward and reverse
none of the above
Q.13
___________ rectifier has the lowest forward resistance
solid state
vacuum tube
gas tube
none of the above
Q.14
The doping level in a zener diode is ___________ that of a crystal diode
the same as
less than
more than
none of the above
Q.15
If the doping level in a crystal diode is increased, the width of depletion layer___________
remains the same
is decreased
in increased
none of the above
Q.16
A series resistance is connected in the zener circuit to___________
properly reverse bias the zener
protect the zener
properly forward bias the zener
none of the above
Q.17
A crystal diode utilises ___________ characteristic for rectification
reverse
forward
forward or reverse
none of the above
Q.18
The ripple factor of a half-wave rectifier is ___________
2
1.21
2.5
0.48
Q.19
The maximum efficiency of a half-wave rectifier is ___________
40.6%
81.2%
50%
25%
Q.20
The forward voltage drop across a silicon diode is about ___________
2.5 V
3 V
10 V
0.7 V
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page