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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 17
6.
Which of the following can be used as a tachogenerator in control systems?
Microsyn
DC servomotor
AC servomotor
Magnetic amplifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The dominant mode in a rectangular wave-guide is
TE01
TM01
TE10
TM11
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Given A = the state transition matrix eAT is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Six sets of electromagnetic waves are given below :
30 - 300 KHz
10 - 30 KHz
3 - 30 MHz
300 - 3000 KHz
30 - 300 MHz
> 300 MHz
There are designated in the following order
VLF, LF, MF, HF, VHF, UHF
LF, VLF, MF, HF, VHF, VHF
LF, VLF, HF, MF, VHF, UHF
VHF, VLF, HF, MF, LF, UHF
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which among the following waveforms can be reconstructed from its samples without distortion?
1 and 2
2 and 3
1 and 3
Only 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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