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Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain

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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.

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When the amplifiers are connected in series, the net voltage gain (Av) is equal to the product of the gains of the individual amplifiers i.e.

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