In a small signal equivalent model of an FET, What does gm VGS stand for?

Current controlled current source

Voltage controlled current source

Current controlled current source

Voltage controlled voltage source

In a small signal equivalent model of an FET, What does gm VGS stand for?

Current controlled current source

Voltage controlled current source

Current controlled current source

Voltage controlled voltage source

What is trans-conductance?

Ratio of change in collector current to change in drain current

Ratio of change in drain current to change in collector current

Ratio of change in drain current to change in gate to source voltage

Ratio of change in collector current to change in drain current

Ratio of change in collector current to change in gate to source voltage

Explore topic-wise MCQs in Electronic Devices Circuits.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.	In a small signal equivalent model of an FET, What does gm VGS stand for?
A.	A pure resistor
B.	Voltage controlled current source
C.	Current controlled current source
D.	Voltage controlled voltage source
Answer» C. Current controlled current source

Discussion

2.	A FET has IDSS=4ID and gm0 = 10mS then gm = _________________________
A.	10mS
B.	20mS
C.	5mS
D.	14mS
Answer» D. 14mS

Discussion

3.	Find the value of gm for FET with IDSS=8mA, Vp=4V, VGS=-0.5V?
A.	1mS
B.	2mS
C.	3mS
D.	3.5mS
Answer» E.

Discussion

4.	Which of the following is an expression for gm0?
A.	gm0 = IDSS/Vp
B.	gm0 = 2IDSS/\|Vp\|
C.	gm0 = IDSS/5Vp
D.	gm0 = IDSS/2Vp
Answer» C. gm0 = IDSS/5Vp

Discussion

5.	The slope obtained in VGS vs ID was 0.002. What is the value ofgm?
A.	1
B.	2
C.	0.002
D.	0
Answer» D. 0

Discussion

6.	For a FET, graph is drawn by taking voltage VGS in X axis and drain current in Y axis, if the value of X changes from 10 to 20 results in change in value of Y axis from 2 to 3. What is the value of trans conductance?
A.	1
B.	2
C.	0.1
D.	0.01
Answer» D. 0.01

Discussion

7.	GIVEN_Y_FS_=_3.6MS_AND_Y_OS_=_0.02MS,_DETERMINE_R₀??$
A.	100Kohm
B.	50Mohm
C.	50Kohm
D.	20Kohm
Answer» D. 20Kohm

Discussion

8.	In a small signal equivalent model of an FET, What does g_m V_GS stand for?
A.	A pure resistor
B.	Voltage controlled current source
C.	Current controlled current source
D.	Voltage controlled voltage source
Answer» C. Current controlled current source

Discussion

9.	Determine the value of output impedance for JFET, if the value of g_m =1mS?
A.	1Kohm
B.	0
C.	100Kohm
D.	5Kohm
Answer» B. 0

Discussion

10.	A FET has I_DSS=4I_D and g_m0 = 10mS then g_m = _________________________
A.	10mS
B.	20mS
C.	5mS
D.	14mS
Answer» D. 14mS

Discussion

11.	Find the value of g_m for FET with I_DSS=8mA, V_p=4V, V_GS=-0.5V?
A.	1mS
B.	2mS
C.	3mS
D.	3.5mS
Answer» E.

Discussion

12.	Find the maximum value of g_m for FET with I_DSS=10mA, V_p=-2V, V_GS=5V?
A.	10mS
B.	20mS
C.	1mS
D.	0
Answer» B. 20mS

Discussion

13.	Which of the following is an expression for g_m0?
A.	g<sub>m0</sub> = I<sub>DSS</sub>/V<sub>p</sub>
B.	g<sub>m0</sub> = 2I<sub>DSS</sub>/\|V<sub>p</sub>\|
C.	g<sub>m0</sub> = I<sub>DSS</sub>/5V<sub>p</sub>
D.	g<sub>m0</sub> = I<sub>DSS</sub>/2V<sub>p</sub>
Answer» C. g<sub>m0</sub> = I<sub>DSS</sub>/5V<sub>p</sub>

Discussion

14.	The slope obtained in V_GS vs I_D was 0.002. What is the value ofg_m?
A.	1
B.	2
C.	0.002
D.	0
Answer» D. 0

Discussion

15.	For a FET, graph is drawn by taking voltage V_GS in X axis and drain current in Y axis, if the value of X changes from 10 to 20 results in change in value of Y axis from 2 to 3. What is the value of trans conductance?
A.	1
B.	2
C.	0.1
D.	0.01
Answer» D. 0.01

Discussion

16.	What is trans-conductance?
A.	Ratio of change in drain current to change in collector current
B.	Ratio of change in drain current to change in gate to source voltage
C.	Ratio of change in collector current to change in drain current
D.	Ratio of change in collector current to change in gate to source voltage
Answer» C. Ratio of change in collector current to change in drain current

Discussion

Explore topic-wise MCQs in Electronic Devices Circuits.

In a small signal equivalent model of an FET, What does gm VGS stand for?

A FET has IDSS=4ID and gm0 = 10mS then gm = _________________________

Find the value of gm for FET with IDSS=8mA, Vp=4V, VGS=-0.5V?

Which of the following is an expression for gm0?

The slope obtained in VGS vs ID was 0.002. What is the value ofgm?

For a FET, graph is drawn by taking voltage VGS in X axis and drain current in Y axis, if the value of X changes from 10 to 20 results in change in value of Y axis from 2 to 3. What is the value of trans conductance?

GIVEN_YFS_=_3.6MS_AND_YOS_=_0.02MS,_DETERMINE_R0??$

In a small signal equivalent model of an FET, What does gm VGS stand for?

Determine the value of output impedance for JFET, if the value of gm =1mS?

A FET has IDSS=4ID and gm0 = 10mS then gm = _________________________

Find the value of gm for FET with IDSS=8mA, Vp=4V, VGS=-0.5V?

Find the maximum value of gm for FET with IDSS=10mA, Vp=-2V, VGS=5V?

Which of the following is an expression for gm0?

The slope obtained in VGS vs ID was 0.002. What is the value ofgm?

For a FET, graph is drawn by taking voltage VGS in X axis and drain current in Y axis, if the value of X changes from 10 to 20 results in change in value of Y axis from 2 to 3. What is the value of trans conductance?

What is trans-conductance?

GIVEN_Y_FS_=_3.6MS_AND_Y_OS_=_0.02MS,_DETERMINE_R₀??$

In a small signal equivalent model of an FET, What does g_m V_GS stand for?

Determine the value of output impedance for JFET, if the value of g_m =1mS?

A FET has I_DSS=4I_D and g_m0 = 10mS then g_m = _________________________

Find the value of g_m for FET with I_DSS=8mA, V_p=4V, V_GS=-0.5V?

Find the maximum value of g_m for FET with I_DSS=10mA, V_p=-2V, V_GS=5V?

Which of the following is an expression for g_m0?

The slope obtained in V_GS vs I_D was 0.002. What is the value ofg_m?

For a FET, graph is drawn by taking voltage V_GS in X axis and drain current in Y axis, if the value of X changes from 10 to 20 results in change in value of Y axis from 2 to 3. What is the value of trans conductance?