Electronics and Communication Engineering - Communication Systems

41.
If ω is the frequency of modulating voltage in FM, the modulation index is proportional to
ω
1/ω
ω
1/ω
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Which camera tube has gamma of almost unity?
Vidicon
Plumbicon
New vicon
Saticon
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
The baud rate is
not equal to signalling rate
always equal to bit transfer rate
equal to twice the bandwidth of an ideal channel
equal to half the bandwidth of ideal channel
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
In a tape recorder
the width of air gaps of record and erase heads is almost equal
the air gap of record head is wider than the air gap of erase head
the air gap of erase head is wider than the air gap of record head
any of the two air gaps can be wider than the other
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
When satellite radio beam is aimed towards earth, it illuminates on the earth for an oval shaped area called
foot print
beam area
satellite service area
radiated area
Answer: Option
Explanation:
No answer description is available. Let's discuss.