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Q.

Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and the second has a voltage gain of 20. If the input signal is 0.01 volt, calculate the output ac signal.

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Detailed Solution

In  a cascaded amplifier total gain is, A=A1×A2=10×20=200. If input is 0.01 volt final output will be 200×0.01=2 volt
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Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 10 and the second has a voltage gain of 20. If the input signal is 0.01 volt, calculate the output ac signal.