# Cascaded Amplifier Online Exam Quiz

Options

A : 255 k?

B : 13 M?

C : 5 M?

D : 250 k?

Options

A : 5.7 Mhz

B : 0.33 Mhz

C : 12 Mhz

D : 64 Mhz

### Given the following circuit.^^ It is given that hfe=55, hie=1k?, hoe=25??-1. Calculate the net current gain and the voltage gain of the network.

Options

A : AI=192.6, Av=220

B : AI=1, AV=220

C : AI=192.6, AV=1

D : AI=192.6, AV=55

Options

A : 300 mA

B : 298 mA

C : 2 mA

D : 200mA

Options

A : 3.4 Mhz

B : 8 Mhz

C : 5 Mhz

D : 6 Mhz

### The lower and upper cutoff frequencies of an amplifier are unknown. If originally, individual BW of such an amplifier is B1, and now the bandwidth of the cascaded network of 10 such amplifiers is B2, find B2/B1.

Options

A : 0.26

B : 3.84

C : Insufficient data

D : 5

### Which of these are incorrect about Darlington amplifier?

Options

A : It has a high input resistance

B : The output resistance is low

C : It has a unity voltage gain

D : It is a current buffer

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