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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 11
41.
The current due to thermionic emission is given by Richardson Dushman equation.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The thermionic emission current is given by
Fermi-Dirac distribution
Maxwell's equation
Richardson Dushman equation
Langmuir Child law
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
In forward active region, the operation of a BJT
both junctions are forward biased
both junctions are reverse biased
emitter base junction is forward biased and base collector junction is reverse biased
emitter base junction is reverse biased and base collector junction is reverse biased
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The conductivity of a semiconductor crystal due to any current carrier is not proportional to
mobility of the carrier
effective density of states in the conduction band
electronic charge
surface states in the semiconductor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
A P-N junction diode dynamic conductance is directly proportional to
the applied voltage
the temperature
its current
thermal voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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