Question 1

What is the compensation element used for variation in VBE and ICO?

Accepted Answer

A) diodes 
B) capacitors 
C) resistors 
D) transformers 
A) diodes 
B) capacitors 
C) resistors 
D) transformers A

Question 2

For a fixed bias circuit having Ic = 0.3mA and In=0.0003mA, S is

Accepted Answer

A) 100 
B) 0 
C) 11 
D) 111 
A) 100 
B) 0 
C) 11 
D) 111 C

Question 3

For an ideal transistor having a fixed bias configuration, what will be the value of Beta?

Accepted Answer

A) 0 
B) 2 
C) -1 
D) 1 
A) 0 
B) 2 
C) -1 
D) 1 C

Question 4

In the given circuit, what is the value of VE when using a silicon BJT?

Accepted Answer

A) 2.01 v 
B) 0.28 v 
C) 0 v 
D) 2.28 v 
A) 2.01 v 
B) 0.28 v 
C) 0 v 
D) 2.28 v

Question 5

For a fixed bias circuit having RC=2Kohm and VCC=60V, IB=0.25mA and S=101, find Vce.

Accepted Answer

A) 12v 
B) 10v 
C) 5v 
D) 2.5v 
A) 12v 
B) 10v 
C) 5v 
D) 2.5v

Question 6

For a n-p-n transistor, the collector current changed from 0.2mA to 0.22mA resulting a change of base emitter voltage from 0.8v to 0.8005V. What is the value of Stability factor?

Accepted Answer

A) 0 
B) 0.25 
C) 0.04 
D) 0.333 
A) 0 
B) 0.25 
C) 0.04 
D) 0.333

Question 7

Increase in collector emitter voltage from 5V to 8V causes increase in collector current from 5mA to 5.3mA. Determine the dynamic output resistance.

Accepted Answer

A) 20k? 
B) 10k? 
C) 50k? 
D) 60k? 
A) 20k? 
B) 10k? 
C) 50k? 
D) 60k?

Question 8

In a silicon transistor, which of the following change significantly to the change in IC?

Accepted Answer

A) vce 
B) ib 
C) vbe 
D) bie 
A) vce 
B) ib 
C) vbe 
D) bie

Question 9

In the given circuit, what is the value of IC if the BJT is made of Silicon?

Accepted Answer

A) 2.01 ma 
B) 2.01 ua 
C) 10.05 ma 
D) 10.05 ua 
A) 2.01 ma 
B) 2.01 ua 
C) 10.05 ma 
D) 10.05 ua

Question 10

The compensation techniques are used to

Accepted Answer

A) increase stability 
B) increase the voltage gain 
C) improve negative feedback 
D) decrease voltage gain 
A) increase stability 
B) increase the voltage gain 
C) improve negative feedback 
D) decrease voltage gain

Question 11

The base current for a BJT remains constant at 5mA, the collector current changes from 0.2mA to 0.3 mA and beta was changed from 100 to 110, then calculate the value of S.

Accepted Answer

A) 0.01m 
B) 1m 
C) 100m 
D) 25m 
A) 0.01m 
B) 1m 
C) 100m 
D) 25m

Question 12

In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when VGS = - 6V?

Accepted Answer

A) 5 ma 
B) 0.5a 
C) 0.125 a 
D) 0.5a. 
A) 5 ma 
B) 0.5a 
C) 0.125 a 
D) 0.5a.

Question 13

Comparing fixed and collector to base bias which of the following statement is true?

Accepted Answer

A) fixed bias is more stable 
B) collector to base bias is more stable 
C) both are the same in terms of stability 
D) depends on the design 
A) fixed bias is more stable 
B) collector to base bias is more stable 
C) both are the same in terms of stability 
D) depends on the design

Question 14

The output resistance of CB transistor is given by

Accepted Answer

A) ?vcb/?ic 
B) ?vbe/?ib 
C) ?vbe/?ic 
D) ?veb/?ie 
A) ?vcb/?ic 
B) ?vbe/?ib 
C) ?vbe/?ic 
D) ?veb/?ie

Question 15

The temperature changes do not affect the Stability.

Accepted Answer

A) True 
 B)False

Question 16

What is Stability factor?

Accepted Answer

A) ratio of change in collector current to change in a current amplification factor 
B) ratio of change in collector current to change in base current 
C) current amplification factor 
D) ratio of base current to collector current 
A) ratio of change in collector current to change in a current amplification factor 
B) ratio of change in collector current to change in base current 
C) current amplification factor 
D) ratio of base current to collector current

Question 17

The expression for IC in the compensation for instability due to ICO variation

Accepted Answer

A) ?i+?io+?ico 
B) ?i+?io 
C) ?io+?ico 
D) ?i+?ico 
A) ?i+?io+?ico 
B) ?i+?io 
C) ?io+?ico 
D) ?i+?ico

Question 18

Which of the following has a negative temperature coefficient of resistance?

Accepted Answer

A) capacitor 
B) diode 
C) thermistor 
D) sensistor 
A) capacitor 
B) diode 
C) thermistor 
D) sensistor

Question 19

In the given circuit, using a silicon BJT, what is the value of VCE?

Accepted Answer

A) 20 v 
B) 15.52 v 
C) 14.98 v 
D) 13.97 v 
A) 20 v 
B) 15.52 v 
C) 14.98 v 
D) 13.97 v

Question 20

Which of the following has a negative temperature coefficient of resistance?

Accepted Answer

A) sensistor 
B) diode 
C) thermistor 
D) capacitor 
A) sensistor 
B) diode 
C) thermistor 
D) capacitor

What is the compensation element used for variation in VBE and ICO?

For a fixed bias circuit having Ic = 0.3mA and In=0.0003mA, S is

For an ideal transistor having a fixed bias configuration, what will be the value of Beta?

In the given circuit, what is the value of VE when using a silicon BJT?

For a fixed bias circuit having RC=2Kohm and VCC=60V, IB=0.25mA and S=101, find Vce.

For a n-p-n transistor, the collector current changed from 0.2mA to 0.22mA resulting a change of base emitter voltage from 0.8v to 0.8005V. What is the value of Stability factor?

Increase in collector emitter voltage from 5V to 8V causes increase in collector current from 5mA to 5.3mA. Determine the dynamic output resistance.

In a silicon transistor, which of the following change significantly to the change in IC?

In the given circuit, what is the value of IC if the BJT is made of Silicon?

The compensation techniques are used to

The base current for a BJT remains constant at 5mA, the collector current changes from 0.2mA to 0.3 mA and beta was changed from 100 to 110, then calculate the value of S.

In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when VGS = - 6V?

Comparing fixed and collector to base bias which of the following statement is true?

The output resistance of CB transistor is given by

The temperature changes do not affect the Stability.

What is Stability factor?

The expression for IC in the compensation for instability due to ICO variation

Which of the following has a negative temperature coefficient of resistance?

In the given circuit, using a silicon BJT, what is the value of VCE?

Which of the following has a negative temperature coefficient of resistance?

Bipolar Junction Transistors BJTS

Transistor Biasing and Circuit Analysis

Transistor Amplifier

Electrical Engineering Circuit Analysis

BJT Frequency Response and Capacitance Analysis

Electrical Engineering on Capacitance, Amplifiers, and Switching Regulators

Electronics and Power Supply

HVDC Transmission, DC Power Supplies, and Zener Diodes

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Exam 2: BJT Stability and Biasing Techniques

What is the compensation element used for variation in VBE and ICO?

For a fixed bias circuit having Ic = 0.3mA and In=0.0003mA, S is

For an ideal transistor having a fixed bias configuration, what will be the value of Beta?

In the given circuit, what is the value of VE when using a silicon BJT?

For a fixed bias circuit having RC=2Kohm and VCC=60V, IB=0.25mA and S=101, find Vce.

For a n-p-n transistor, the collector current changed from 0.2mA to 0.22mA resulting a change of base emitter voltage from 0.8v to 0.8005V. What is the value of Stability factor?

Increase in collector emitter voltage from 5V to 8V causes increase in collector current from 5mA to 5.3mA. Determine the dynamic output resistance.

In a silicon transistor, which of the following change significantly to the change in IC?

In the given circuit, what is the value of IC if the BJT is made of Silicon?

The compensation techniques are used to

The base current for a BJT remains constant at 5mA, the collector current changes from 0.2mA to 0.3 mA and beta was changed from 100 to 110, then calculate the value of S.

In the given situation for n-channel JFET, we get drain-to-source current is 5mA. What is the current when VGS = - 6V?

Comparing fixed and collector to base bias which of the following statement is true?

The output resistance of CB transistor is given by

The temperature changes do not affect the Stability.

What is Stability factor?

The expression for IC in the compensation for instability due to ICO variation

Which of the following has a negative temperature coefficient of resistance?

In the given circuit, using a silicon BJT, what is the value of VCE?

Which of the following has a negative temperature coefficient of resistance?

Bipolar Junction Transistors BJTS

Transistor Biasing and Circuit Analysis

Transistor Amplifier

Electrical Engineering Circuit Analysis

BJT Frequency Response and Capacitance Analysis

Electrical Engineering on Capacitance, Amplifiers, and Switching Regulators

Electronics and Power Supply

HVDC Transmission, DC Power Supplies, and Zener Diodes

Filters