Related Questions

সাধারণ পীঠ বিন্যাসে একটি ট্রানজিস্টরের সংগ্রাহক প্রবাহ 19.8 mA এবং পীঠ প্রবাহ 0.2 mA হলে প্রবাহ বিবর্ধন গুণক কত? (What is the current amplification factor for a common base configuration of a transistor if its collector current is 19.8 mA and base current is 0.2 mA ? )
A 0.99
B 9.9
C 49 (D)
The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
A SSI, MSI
B MSI, LSI
C SSI, LSI
D ECL, DTL
E None of the above
In a npn transistor, ___________ are the minority carriers
A free electrons
B holes
C donor ions
D acceptor ions
In a bipolar transistor, the emitter base junction has
A Forward bias
B Reverse bias
C Zero bias
D Zero or reverse bias
In a bipolar transistor, the base collector junction has
A Forward bias
B Reverse bias
C Zero bias
D Zero or forward bias
What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?
A much greater complexity (more components) than bipolar circuits : better economy
B higher operating speed than bipolar circuits
C fewer power supply connections are required with MOS ICs
D system designers are more familiar with MOS circuitary
E None of the above
The current gain of a bipolar transistor drops at high frequencies because of
A Transistor capacitances
B High current effects in the base
C Parasitic inductive elements
D The early effect
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
A boat sailing against a stream of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travel the same distance. What is the speed of the stream?
A 1/2 km/hr
B 1 km/hr
C 2km/hr
D 1.5 km/hr
A boat goes 8 km in one hour along the stream and 2 km in one hour against the stream. The speed in km/hr of the stream is ----
A 2
B 4
C 3
D 5

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