IndiaBIX

Electronics and Communication Engineering - Communication Systems

Exercise : Communication Systems - Section 15
46.
The noise generated by a resistor depends upon
its operating temperature
its resistance value
both (a) and (b)
bandwidth
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A source has two symbols x1 and x2 with probabilities pi and pr. If a new source with four symbols is generated from the above source, the new symbol probabilities will be (∈ is a number such that 0 < ∈ < 1)
p1, p2, p1, p2
p1, p1, p2, p2
(1 - ∈)p1, (1 - ∈) p2, p1, p2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Coupling and bypass filters can be a source of
low-frequency parasitics
high-frequency parasitics
carrier frequency parasitics
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.

Assertion (A): SSB transmitter is generally smaller than AM transmitter

Reason (R): SSB systems mostly use combined transmitter receiver.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
The VLF, LF and MF antennas are
horizontally polarized
vertically polarized
non linearly polarized
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers