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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 9
46.
In n type semiconductor, the free electron concentration
is nearly equal to density of donor atoms
is much greater than density of donor atoms
is much less than density of donor atoms
may be equal to or more or less than density of donor atoms
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
If both emitter base and collector base junctions of a BJT are forward biased, the transistor is in
active region
saturated region
cut off region
inverse mode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following can be operated with positive as well as negative gate voltage?
JFET
Both JFET and MOSFET
MOSFET
Neither JFET nor MOSFET
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The reverse breakdown voltage of a diode depends on the extent of doping.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Measurement of Hall coefficient enables the determination of
mobility of charge carriers
type of the conductivity and concentration of charge carriers
temperature coefficient and thermal conductivity
fermi level and forbidden energy gap
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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