Related Questions

The leakage current in a crystal diode is due to ___________
A minority carriers
B majority carriers
C junction capacitance
D none of the above
The leakage current in a silicon transistor is about ___________ the leakage current in a germanium transistor
A One hundredth
B One tenth
C One thousandth
D One millionth
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
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
When the crystal current diode current is large, the bias is ___________
A forward
B inverse
C poor
D reverse
Two taps A and B can fill a tank in 5 hours and 20 hours respectively. If both the taps are open then due to a leakage, it took 30 minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank ?
A 4.5 hrs
B 7 hrs
C 18 hrs
D 36 hrs
A tank has two leakages. The first leakage alone can empty the tank in 9 minutes and the second alone would have done it in 6 minutes. If water leaks out at a constant rate. how long does it take both the leakage together to empty the tank ?
A 3.6 min
B 3.1 min
C 3.5 min
D 4.0 min
A tank has two leakages. The first leakage alone can empty the tank in 9 min and the second alone would have done it in 6 min. If water leaks out at a constant rate , how long does it take both the leakage together to empty the tank?
A 3 min
B 3.5 min
C 4 min
D 3.6 min

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