Question 1

The zener follower provides the regulation of a zener diode with the increased current-handling capability of a

Accepted Answer

A)  common-collector circuit. 
B)  common-emitter circuit. 
C)  common-base circuit. 
D)  common-follower circuit. 
A)  common-collector circuit. 
B)  common-emitter circuit. 
C)  common-base circuit. 
D)  common-follower circuit.

Question 2

With the amplifier configuration shown in Figure 9-6 (a)

Accepted Answer

A)  ac output is 90° out of phase with the input. 
B)  ac output is 180° out of phase with the input. 
C)  ac output is 270° out of phase with the input. 
D)  ac output is in phase with the input. 
A)  ac output is 90° out of phase with the input. 
B)  ac output is 180° out of phase with the input. 
C)  ac output is 270° out of phase with the input. 
D)  ac output is in phase with the input.

Question 3

The emitter follower is also called a common-collector amplifier.

Accepted Answer

A) True 
 B)False

Question 4

A complementary Darlington is a connection of npn and pnp transistors.

Accepted Answer

A) True 
 B)False

Question 5

When an emitter follower is configured between a high output impedance and a low resistance load,it is referred to as

Accepted Answer

A)  an attenuator. 
B)  a clamper. 
C)  a constant current source. 
D)  a buffer. 
A)  an attenuator. 
B)  a clamper. 
C)  a constant current source. 
D)  a buffer.

Question 6

A connection of two transistors whose overall current gain equals the product of the individual current gains is called a

Accepted Answer

A)  complementing connection. 
B)  cascade connection. 
C)  Darlington connection. 
D)  Quiescent connection. 
A)  complementing connection. 
B)  cascade connection. 
C)  Darlington connection. 
D)  Quiescent connection.

Question 7

It is very difficult to get a small output impedance with a common-collector amplifier.

Accepted Answer

A) True 
 B)False

Question 8

A circuit that combines a zener regulator and an emitter follower is referred to as

Accepted Answer

A)  an emitter regulator. 
B)  a follower regulator. 
C)  a zener follower. 
D)  a zener diode. 
A)  an emitter regulator. 
B)  a follower regulator. 
C)  a zener follower. 
D)  a zener diode.

Question 9

Voltage gain can be increased by using a multistage amplifier.

Accepted Answer

A) True 
 B)False

Question 10

It is very difficult to get a small output impedance with a

Accepted Answer

A)  common-collector amplifier. 
B)  common-emitter amplifier. 
C)  common-base amplifier. 
D)  emitter-follower amplifier. 
A)  common-collector amplifier. 
B)  common-emitter amplifier. 
C)  common-base amplifier. 
D)  emitter-follower amplifier.

Question 11

The voltage gain of a common-collector amplifier is ________.

Accepted Answer

A)  infinite 
B)  1 
C)  10 
D)  100 
A)  infinite 
B)  1 
C)  10 
D)  100

Question 12

Small load resistances that would overload a CE amplifier can be used with an emitter follower because an emitter follower

Accepted Answer

A)  steps up impedance. 
B)  amplifies high frequencies better. 
C)  has a higher voltage gain. 
D)  cannot amplify current. 
A)  steps up impedance. 
B)  amplifies high frequencies better. 
C)  has a higher voltage gain. 
D)  cannot amplify current.

Question 13

What is the circuit shown in Figure 9-16 (c)?

Accepted Answer

A)  two cascaded common-emitter amplifiers 
B)  a small-signal amplifier 
C)  a supplementary Darlington 
D)  a complementary Darlington 
A)  two cascaded common-emitter amplifiers 
B)  a small-signal amplifier 
C)  a supplementary Darlington 
D)  a complementary Darlington

Question 14

A zener follower provides the regulation of a zener diode with the increased current-handling capability of an emitter follower.

Accepted Answer

A) True 
 B)False

Question 15

A common-base circuit can be used to couple a

Accepted Answer

A)  high impedance source to a low impedance load. 
B)  low impedance source to a high impedance load. 
C)  high impedance source to a high impedance load. 
D)  low impedance source to a low impedance load. 
A)  high impedance source to a low impedance load. 
B)  low impedance source to a high impedance load. 
C)  high impedance source to a high impedance load. 
D)  low impedance source to a low impedance load.

Question 16

A multistage amplifier using two common-emitter amplifiers will provide a total phase inversion of ________.

Accepted Answer

A)  360° 
B)  270° 
C)  180° 
D)  90° 
A)  360° 
B)  270° 
C)  180° 
D)  90°

Question 17

The output voltage of a common-base amplifier is out of phase with its input.

Accepted Answer

A) True 
 B)False

Question 18

In a common-collector amplifier,the emitter is always connected to ground.

Accepted Answer

A) True 
 B)False

Question 19

One of the advantages of an emitter follower is its high output impedance.

Accepted Answer

A) True 
 B)False

Question 20

The amplifier configuration in which the input signal drives the emitter and the output signal is taken from the collector is the

Accepted Answer

A)  common collector. 
B)  common emitter. 
C)  common base. 
D)  emitter follower. 
A)  common collector. 
B)  common emitter. 
C)  common base. 
D)  emitter follower.

Exam 9: Multistage,CC,and CB Amplifiers

The zener follower provides the regulation of a zener diode with the increased current-handling capability of a

With the amplifier configuration shown in Figure 9-6 (a)

The emitter follower is also called a common-collector amplifier.

A complementary Darlington is a connection of npn and pnp transistors.

When an emitter follower is configured between a high output impedance and a low resistance load,it is referred to as

A connection of two transistors whose overall current gain equals the product of the individual current gains is called a

It is very difficult to get a small output impedance with a common-collector amplifier.

A circuit that combines a zener regulator and an emitter follower is referred to as

Voltage gain can be increased by using a multistage amplifier.

It is very difficult to get a small output impedance with a

The voltage gain of a common-collector amplifier is ________.

Small load resistances that would overload a CE amplifier can be used with an emitter follower because an emitter follower

What is the circuit shown in Figure 9-16 (c)?

A zener follower provides the regulation of a zener diode with the increased current-handling capability of an emitter follower.

A common-base circuit can be used to couple a

A multistage amplifier using two common-emitter amplifiers will provide a total phase inversion of ________.

The output voltage of a common-base amplifier is out of phase with its input.

In a common-collector amplifier,the emitter is always connected to ground.

One of the advantages of an emitter follower is its high output impedance.

The amplifier configuration in which the input signal drives the emitter and the output signal is taken from the collector is the

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