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Question
Physics
Two amplifiers are connected one after the other in series. The first amplifier has a voltage gain of 10 and second has voltage gain of 20 . If the input signal is 0.01 V then output signal is :-
Q. Two amplifiers are connected one after the other in series. The first amplifier has a voltage gain of
10
and second has voltage gain of
20
. If the input signal is
0.01
V
then output signal is :-
1699
240
Report Error
A
0.2V
B
20V
C
10V
D
2 V
Solution:
Total
A
v
=
A
v
1
×
A
v
2
=
10
×
20
=
200
So,
Input Signal
Output Signal
=
A
v
⇒
0.01
Output Signal
=
200
⇒
Output Signal
=
2
V