Electronics and Communication Engineering - Communication Systems

36.
If e = 10 sin(108 t + 3 sin 104 t) then carrier frequency is
0.159 MHz
1.59 MHz
15.9 MHz
159 MHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
Thermal noise is independent of
temperature
bandwidth
centre frequency
Boltzmann constant
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
The decorative lighting works on the principle of
periodic switching on and off
special inverter
rectifier
motor
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
In an oscillator crystal, the parallel resonant frequency is
equal to
higher than
less than
series resonant frequency
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
The maximum range of a radar is proportional to
square root of peak transmitted pulse power
fourth root of peak transmitted pulse power
peak transmitted pulse power
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.