Question 1

The two types of BJTs are the NPN and PNP.

Accepted Answer

A) True 
 B)False

Question 2

-If   opens in Figure 17-1,   equals ________.

Accepted Answer

A) 20 V 
B) 0.7 V 
C) 0 V 
D) 10 V 
A) 20 V 
B) 0.7 V 
C) 0 V 
D) 10 V

Question 3

On transistor spec sheet, the key difference between

Accepted Answer

A)    represents   represents   
B)    represents   represents   
C)    represents   represents   
D)    represents   represents   
A)    represents   represents   
B)    represents   represents   
C)    represents   represents   
D)    represents   represents

Question 4

An N-channel JFET has three elements: source, gate, and drain.

Accepted Answer

A) True 
 B)False

Question 5

The Class B amplifier conducts for ________ of the input cycle.

Accepted Answer

A) a small portion 
B) 180° 
C) only 10° 
D) 360° 
A) a small portion 
B) 180° 
C) only 10° 
D) 360°

Question 6

-Find   in Figure 17-1.

Accepted Answer

A) 11.4 V 
B) 16.4 V 
C) 7.10 V 
D) 6.4 V 
A) 11.4 V 
B) 16.4 V 
C) 7.10 V 
D) 6.4 V

Question 7

Which one of these amplifiers has a very high power gain?

Accepted Answer

A) common-emitter 
B) common-reference 
C) common-collector 
D) common-gate 
A) common-emitter 
B) common-reference 
C) common-collector 
D) common-gate

Question 8

-If   opens in Figure 17-4, VC equals ________.

Accepted Answer

A) 9 V 
B) 18 V 
C) VE 
D) 0 V 
A) 9 V 
B) 18 V 
C) VE 
D) 0 V

Question 9

A class C amplifier conducts during ________ of the input cycle.

Accepted Answer

A) a small portion 
B) only 50% 
C) 180° 
D) 360° 
A) a small portion 
B) only 50% 
C) 180° 
D) 360°

Question 10

Which one of these amplifiers does NOT have the output in phase with the input?

Accepted Answer

A) common-drain 
B) common-law 
C) common-source 
D) common-collector 
A) common-drain 
B) common-law 
C) common-source 
D) common-collector

Question 11

The classification of transistor amplifiers by classes:

Accepted Answer

A) current flow. 
B) signal voltages. 
C) voltage flow. 
D) bias voltages. 
A) current flow. 
B) signal voltages. 
C) voltage flow. 
D) bias voltages.

Question 12

Voltage gain can be found by

Accepted Answer

A) True 
 B)False

Question 13

Which of the following amplifiers has phase inversion?

Accepted Answer

A) common-emitter 
B) common-crystal 
C) common-collector 
D) common-drain 
A) common-emitter 
B) common-crystal 
C) common-collector 
D) common-drain

Question 14

-If   equals   in Figure 17-1, the ________.

Accepted Answer

A) transistor is cutoff 
B) emitter has opened 
C) power is off 
D) emitter is shorted to the collector 
A) transistor is cutoff 
B) emitter has opened 
C) power is off 
D) emitter is shorted to the collector

Question 15

-If RE opens in Figure 17-4,   ________.

Accepted Answer

A) drops almost to zero 
B) remains the same 
C) increases 
D) decreases 
A) drops almost to zero 
B) remains the same 
C) increases 
D) decreases

Question 16

In using BJT characteristic curves, the intersection of the load line with a specific base current curve is called:

Accepted Answer

A) base point. 
B) nudpoint. 
C) Q point. 
D) intersection point. 
A) base point. 
B) nudpoint. 
C) Q point. 
D) intersection point.

Question 17

-The amplifier in circuit Figure 17-2 uses a ________ and   equals ________.

Accepted Answer

A) BJT, 10 V 
B) TRIAC, 5 V 
C) JFET, 10 V 
D) JFET, 0 V 
A) BJT, 10 V 
B) TRIAC, 5 V 
C) JFET, 10 V 
D) JFET, 0 V

Question 18

A BJT has three elements: emitter, gate, and collector.

Accepted Answer

A) True 
 B)False

Question 19

-If the BJTʹs collector opened internally in Figure 17-1,   equals ________.

Accepted Answer

A) VBE 
B) 10 V 
C) 0 V 
D) 20 V 
A) VBE 
B) 10 V 
C) 0 V 
D) 20 V

Question 20

-If the BJTʹs collector opens internally in Figure 17-4,   ________.

Accepted Answer

A) drops almost to zero 
B) increases 
C) decreases 
D) remains the same 
A) drops almost to zero 
B) increases 
C) decreases 
D) remains the same

Exam 17: RlC Circuits and Resonance

The two types of BJTs are the NPN and PNP.

-If opens in Figure 17-1, equals ________.

On transistor spec sheet, the key difference between

An N-channel JFET has three elements: source, gate, and drain.

The Class B amplifier conducts for ________ of the input cycle.

-Find in Figure 17-1.

Which one of these amplifiers has a very high power gain?

-If opens in Figure 17-4, VC equals ________.

A class C amplifier conducts during ________ of the input cycle.

Which one of these amplifiers does NOT have the output in phase with the input?

The classification of transistor amplifiers by classes:

Voltage gain can be found by

Which of the following amplifiers has phase inversion?

-If equals in Figure 17-1, the ________.

-If RE opens in Figure 17-4, ________.

In using BJT characteristic curves, the intersection of the load line with a specific base current curve is called:

-The amplifier in circuit Figure 17-2 uses a ________ and equals ________.

A BJT has three elements: emitter, gate, and collector.

-If the BJTʹs collector opened internally in Figure 17-1, equals ________.

-If the BJTʹs collector opens internally in Figure 17-4, ________.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

RC Circuits

RL Circuits

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters

-The amplifier in circuit Figure 17-2 uses a and equals .