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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 13
31.
How is an N-channel junction Field Effect Transistor operated as an amplifier?
With a forward bias gate source junction
With a reverse bias gate-source junction
With a open gate source junction
With a shorted gate source junction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The Ebers-moll equation for IE in CB configuration is given by
IE = anICIEC0
IE = aIIC + IC0
IE = anIC + IC0(eqVEB/KT-1)
IE = aIIC + IE0(eqVEB/KT - 1)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Ferrites are
hard materials
brittle materials
not easily machinable
materials with all above properties
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The merging of a hole and an electron is called
recombination
covalent bonding
thermal union
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Which of the following semiconductor has the highest melting point?
Germanium
Silicon
Gallium arsenide
Lead sulphide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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