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1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The need for modulation is

A
to increase the intensity of audio signal
B
to decrease the intensity of audio signal
C
to transmit audio signal to large distance
D
to increase the frequency of audio signal
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
A message signal of frequency 10 kHz is used to modulate a carrier wave of frequency 6 MHz , then the side band frequencies are
A
$6090 \mathrm{kHz}, 610 \mathrm{kHz}$
B
$5990 \mathrm{kHz}, 6010 \mathrm{kHz}$
C
$6000 \mathrm{~Hz}, 1000 \mathrm{~Hz}$
D
$6000 \mathrm{kHz}, 6100 \mathrm{kHz}$
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