Question

An amplifier has an open circuit voltage gain of 1000, an output resistance of 15? and an input resistance of 7k?. It is supplied from a signal source of e.m.f. 10mV and internal resistance 3k?. The amplifier feeds a load of 35 ?. Determine (i) the magnitude of output voltage and (ii) power gain

Name: An amplifier has an open circuit voltage gain of 1000, an output resistance of 15? and an input resistance of 7k?. It is supplied from a signal source of e.m.f. 10mV and internal resistance 3k?. The amplifier feeds a load of 35 ?. Determine (i) the magnitude of output voltage and (ii) power gain
Uploaded: 2023-09-12T00:41:32-08:00
Duration: 5 min 44 s
Channel: Adi S
Description: An amplifier has an open circuit voltage gain of 1000, an output resistance of 15? and an input resistance of 7k?. It is supplied from a signal source of e.m.f. 10mV and internal resistance 3k?. The amplifier feeds a load of 35 ?. Determine (i) the magnitude of output voltage and (ii) power gain

          An amplifier has an open circuit voltage gain of 1000, an output resistance of 15? and an input resistance of 7k?. It is supplied from a signal source of e.m.f. 10mV and internal resistance 3k?. The amplifier feeds a load of 35 ?. Determine (i) the magnitude of output voltage and (ii) power gain

An amplifier has an open circuit voltage gain of 1000, an output resistance of 15? and an input resistance of 7k?. It is supplied from a signal source of e.m.f. 10mV and internal resistance 3k?. The amplifier feeds a load of 35 ?. Determine (i) the magnitude of output voltage and (ii) power gain

Added by Jennifer P.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Adi S

09/12/2023

Step 1

The voltage gain (Av) of an amplifier with a load connected can be calculated using the formula: \[ Av_{loaded} = \frac{Av \times R_L}{R_o + R_L} \] where \(Av\) is the open circuit voltage gain, \(R_L\) is the load resistance, and \(R_o\) is the output resistance Show more…

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An amplifier has an open circuit voltage gain of 1000, an output resistance of 15 ̐, and an input resistance of 7 k̐. It is supplied from a signal source of e.m.f. 10 mV and internal resistance 3 k̐. The amplifier feeds a load of 35 ̐. Determine (i) the magnitude of output voltage and (ii) power gain