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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 15
6.
Figure represents a
Diode rectifier
Schottky diode
Varistor
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The output, V-I characteristics of an Enhancement type MOSFET has
only an ohmic region
only a saturation region
an ohmic region at low voltage value followed by a saturation region at higher voltages
an ohmic region at large voltage values preceded by a saturation region at lower voltages
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Piezoelectric quartz crystal resonators find application where
signal amplification is required
rectification of the signal is required
signal frequency control is required
modulation of signal is required
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The forbidden energy gap between the valence band and conduction band will be least in case of
metals
semiconductors
insulators
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
If too large current passes through the diode
all electrons will leave
all holes will freeze
excessive heat may damage the diode
diode will emit light
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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