Neglect bias, decoupling and coupling components. 2. An amplifier has the following parameters: input resistance, 470 k2; output resistance, 8.2 k2; opencircuit voltage gain 50. A signal source having an e.m.f. of 75 uV and negligible internal resistance is connected to the input of the amplifier. The output is connected to a 10 kQ resistive load. Draw the equivalent circuit and hence determine: (a) the output voltage developed across the load; (b) the current gain (c) the voltage gain.

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Neglect bias, decoupling and coupling components.
2. An amplifier has the following parameters: input resistance, 470 k2; output
resistance, 8.2 k2; opencircuit voltage gain 50. A signal source having an e.m.f. of 75
uV and negligible internal resistance is connected to the input of the amplifier. The
output is connected to a 10 kQ resistive load. Draw the equivalent circuit and hence
determine: (a) the output voltage developed across the load; (b) the current gain (c)
the voltage gain.
Transcribed Image Text:Neglect bias, decoupling and coupling components. 2. An amplifier has the following parameters: input resistance, 470 k2; output resistance, 8.2 k2; opencircuit voltage gain 50. A signal source having an e.m.f. of 75 uV and negligible internal resistance is connected to the input of the amplifier. The output is connected to a 10 kQ resistive load. Draw the equivalent circuit and hence determine: (a) the output voltage developed across the load; (b) the current gain (c) the voltage gain.
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