1
TG EAPCET 2024 (Online) 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
For an amplitude modulated wave, the maximum and minimum amplitudes are found to be 10 V and 2 V respectively. Then, the modulation index is
A
$\frac{1}{3}$
B
$\frac{3}{4}$
C
$\frac{1}{5}$
D
$\frac{2}{3}$
2
TG EAPCET 2024 (Online) 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The process of the loss of strength of a signal while propagating through a medium is
A
damping
B
attenuation
C
amplification
D
modulation
3
TG EAPCET 2024 (Online) 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A message signal of peak voltage 12 V is used to amplitude modulate a carrier signal of frequency 1.2 MHz . The amplitude of the side bands is
A
12 V
B
3 V
C
6 V
D
8 V
4
TG EAPCET 2024 (Online) 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The heights of the transmitting and receiving antennas are 33.8 m and 64.8 m respectively. The maximum distance between the antennas for satisfactory communication in line of sight mode is (radius of the earth $=6400 \mathrm{~km}$ )
A
20.8 km
B
49.6 km
C
28.8 km
D
57.6 km
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