Question

what is the effect of coupling on gain?​

Answer 1

Answer:

At High frequencies (i.e. above 20 KHz)

Again considering the same point, we know that the capacitive reactance is low at high frequencies. So, a capacitor behaves as a short circuit, at high frequencies. As a result of this, the loading effect of the next stage increases, which reduces the voltage gain.

Explanation:

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Answer 2

Answer:

coupling effect are caused when the flux of the component is influnced by the driving force of another component due to thermodynamic (result of nonideality of the mixture inside the membrane) and kinetic coupling (result of interactions between the component and the membrane).