In which region of a CE bipolar transistor is collector current almost constant?
Saturation region
Active region
Breakdown region
Both saturation and active region
Correct answer is B
It is used as amplifier when it operates in this region.
The word enhancement mode is associated with
tunnel diode
MOSFET
JFET
photo diode
Correct answer is B
MOSFET may be depletion mode or enhancement mode.
Work function of oxide coated cathode is much lower than that of tungsten cathode.
True
False
Cannot say
None of the above
Correct answer is A
Therefore emission current from oxide coated cathode is more.
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