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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 19
1.
Which of the following uses 'transferred electron effect' for production of microwaves?
Silicon
Germanium
Metal-semiconductor junction
Gallium Arsenide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The figures shows the symbol of
p channel depletion MOSFET
p channel enhancement MOSFET
complementary MOSFET
p channel JFET
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The spectral range of a band pass signal extends from 10 MHz to 10.4 MHz. What is the minimum sampling frequency required for reconstruction?
20 MHz
20.8 MHz
20.4 MHz
0.8 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
All poles and zeros of a driving point immittance function of an L-C network
should lie on the jω axis
should lie on the +ve real axis
should lie on the - ve real axis
can lie anywhere in s-plane
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
In 8085 microprocessor, the interrupt enable flip-flop is reset by
DI instruction only
system RESET only
interrupt acknowledgment only
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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