Related Questions

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
The arrow in the symbol of a transistor indicates the direction of ___________
A electron current in the emitter
B electron current in the collector
C hole current in the emitter
D donor ion current
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
When a bar of length '$$l$$' and diameter 'd' is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)
A $$\frac{{{\text{w}}l}}{{2{\text{E}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$
C $$\frac{{{\text{w}}{l^3}}}{{2{\text{E}}}}$$
D $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$
Which of the following property defines a color for the face of a scroll bar, including arrow regions and the scroll box?
A scrollbar-face
B scrollbar-face-color
C scrollbar-face-background
D scrollbar-background
Which of the following property is used to set the color of the arrow icon within a scroll bar?
A scrollbar-base-color
B scrollbar-arrow-color
C scrollbar-darkshadow-color
D scrollbar-face-color
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
The crystal oscillator frequency is very stable due to ___________ of the crystal
A Rigidity
B Vibrations
C Low Q
D High Q
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

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