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Physics
In an amplitude modulated signal the maximum amplitude is 15 volt and minimum amplitude is 5 volt, then amplitude of modulating wave will be
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Q. In an amplitude modulated signal the maximum amplitude is 15 volt and minimum amplitude is 5 volt, then amplitude of modulating wave will be
AIIMS
AIIMS 2018
Communication Systems
A
10 V
20%
B
5 V
20%
C
20 V
60%
D
30 V
0%
Solution:
Maximum amplitude = A
m
+ A
C
= 15
minimum amplitude = A
m
- A
C
= 5
So 2A
m
= 20; A
m
= 10 V