Related Questions

The ratio of reverse resistance and forward resistance of a germanium crystal diode is about ___________
A 1 : 1
B 100 : 1
C 1000 : 1
D 40000 : 1
The d.c. resistance of a crystal diode is ___________ its a.c. resistance
A the same as
B more than
C less than
D none of the above
An ideal crystal diode is one which behaves as a perfect ___________ when forward biased.
A conductor
B insulator
C resistance material
D none of the above
If the arrow of crystal diode symbol is positive w.r.t. bar, then diode is ___________ biased.
A forward
B reverse
C either forward or reverse
D none of the above
The PIV rating of a crystal diode is ___________ that of equivalent vacuum diode
A the same as
B lower than
C more than
D none of the above
The doping level in a zener diode is ___________ that of a crystal diode
A the same as
B less than
C more than
D none of the above
A forward biased pn junction diode has a resistance of the order of
A Ω
B kΩ
C MΩ
D None of the above
If the crystal frequency changes with temperature, we say that crystal has ___________ temperature coefficient
A Positive
B Zero
C Negative
D None of the above
The dynamic resistance of a forward biased p-n diode
A Varies inversely with current
B Varies directly with current
C Is constant
D Is either constant or varies directly with current
Quartz crystal is most commonly used in crystal oscillators because ___________
A It has superior electrical properties
B It is easily available
C It is quite inexpensive
D None of the above

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