Related Questions

An SCR is made of silicon and not germanium because silicon
A Is inexpensive
B Is mechanically strong
C Has small leakage current
D Is tetravalent
For germanium transistor amplifier, VCE should ___________ for faithful amplification
A Be zero
B Be 0.2 V
C Not fall below 0.7 V
D None of the above
For faithful amplification by a transistor circuit, the value of VBE should ___________ for a silicon transistor
A Be zero
B Be 0.01 V
C Not fall below 0.7 V
D Be between 0 V and 0.1 V
For faithful amplification by a transistor circuit, the value of VCE should ___________ for silicon transistor
A Not fall below 1 V
B Be zero
C Be 0.2 V
D None of the above
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
Silicon percentage in silicon steel used for electrical equipments is about
A 1
B 4.0
C 8
D 14
Silicon percentage in the silicon steel used for electrical appliances/equipments is
A 0.3-0.4
B 12-14
C 3-4
D 20-25
A transistor takes ___________ inductor on a silicon IC chip
A Less space than
B More space than
C Same space as
D None of the above
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

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