A transistor amplifier has high output impedance because ___________

ollector is wider than emitter or base

73 + Mcqs in Single Stage Transistor Amplifiers in Electrical Engineering Page 1 McqOptions

1.	A CE amplifier is also called _______________ circuit?
A.	Grounded emitter
B.	Grounded base
C.	Grounded collector
D.	None of the above
Answer» B. Grounded base

Discussion

2.	In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________
A.	hin base
B.	hin collector
C.	ide emitter
D.	one of the above
Answer» B. hin collector

Discussion

3.	If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________
A.	0 V
B.	V
C.	V
D.	0 V
Answer» E.

Discussion

4.	If the power and current gains of a transistor amplifier are 16500 and 100 respectively, then voltage gain is
A.	65
B.	65 x 104
C.	00
D.	one of the above
Answer» B. 65 x 104

Discussion

5.	The radio wave picked up by the receiving antenna is amplified abouttimes to have reasonable sound output
A.	000
B.	million
C.	00
D.	0000
Answer» C. 00

Discussion

6.	The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________
A.	ransistor
B.	iasing circuit
C.	ollector supply VCC
D.	one of the above
Answer» D. one of the above

Discussion

7.	The purpose of d.c. conditions in a transistor is to ___________
A.	everse bias the emitter
B.	orward bias the collector
C.	et up operating point
D.	one of the above
Answer» D. one of the above

Discussion

8.	In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________
A.	hort
B.	pen
C.	artially open
D.	one of the above
Answer» B. pen

Discussion

9.	The ratio of output impedance of a CE amplifier is ___________
A.	bout 1
B.	ow
C.	igh
D.	oderate
Answer» E.

Discussion

10.	The phase difference between the output and input voltages of a CE amplifier is ___________
A.	80°
B.	°
C.	0°
D.	70°
Answer» B. °

Discussion

11.	If the input capacitor of a transistor amplifier is short-circuited, then
A.	ransistor will be destroyed
B.	iasing conditions will change
C.	ignal will not reach the base
D.	one of the above
Answer» C. ignal will not reach the base

Discussion

12.	The slope of a.c. load line is ___________ that of d.c. load line
A.	he same as
B.	ore than
C.	ess than
D.	one of the above
Answer» C. ess than

Discussion

13.	A single stage transistor amplifier contains ___________ and associated circuitry
A.	wo transistors
B.	ne transistor
C.	hree transistor
D.	one of the above
Answer» C. hree transistor

Discussion

14.	A single stage transistor amplifier with no load sees an a.c. load of
A.	C + RE
B.	C
C.	C \|\| RE
D.	C/RE
Answer» C. C \|\| RE

Discussion

15.	The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________
A.	void voltage gain drop
B.	orward bias the emitter
C.	educe noise in the amplifier
D.	one of the above
Answer» B. orward bias the emitter

Discussion

16.	The value of collector load RC in a transistor amplifier is ___________ the output impedance of the transistor.
A.	he same as
B.	ess than
C.	ore than
D.	one of the above
Answer» C. ore than

Discussion

17.	For highest power gain, one would use ___________ configuration
A.	C
B.	B
C.	E
D.	one of the above
Answer» D. one of the above

Discussion

18.	It is generally desired that a transistor should have ___________ input impedance
A.	ow
B.	ery low
C.	igh
D.	ery high
Answer» D. ery high

Discussion

19.	If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is
A.	L + RC
B.	C \|\| RL
C.	L - RC
D.	C
Answer» C. L - RC

Discussion

20.	A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________
A.	C
B.	C \|\| RE
C.	C - RE
D.	C + RE
Answer» E.

Discussion

21.	In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________
A.	C + RL
B.	C \|\| RL
C.	L
D.	C
Answer» E.

Discussion

22.	An amplifier has a power gain of 100. Its db gain is ___________
A.	0 db
B.	0 db
C.	0 db
D.	one of the above
Answer» C. 0 db

Discussion

23.	A transistor amplifier has high output impedance because ___________
A.	mitter is heavily doped
B.	ollector has reverse bias
C.	ollector is wider than emitter or base
D.	one of the above
Answer» C. ollector is wider than emitter or base

Discussion

24.	A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________%!
A.	RC
B.	RC \|\| RE
C.	RC - RE
D.	RC + RE
Answer» E.

Discussion

25.	In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________%!
A.	Thin base
B.	Thin collector
C.	Wide emitter
D.	None of the above
Answer» B. Thin collector

Discussion

26.	The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________%!
A.	Transistor
B.	Biasing circuit
C.	Collector supply VCC
D.	None of the above
Answer» D. None of the above

Discussion

27.	A single stage transistor amplifier with no load sees an a.c. load of%!
A.	RC + RE
B.	RC
C.	RC \|\| RE
D.	RC/RE
Answer» C. RC \|\| RE

Discussion

28.	The ratio of output impedance of a CE amplifier is ___________%!
A.	About 1
B.	Low
C.	High
D.	Moderate
Answer» E.

Discussion

29.	For highest power gain, one would use ___________ configuration%!
A.	CC
B.	CB
C.	CE
D.	none of the above
Answer» D. none of the above

Discussion

30.	The slope of a.c. load line is ___________ that of d.c. load line%!
A.	The same as
B.	More than
C.	Less than
D.	None of the above
Answer» C. Less than

Discussion

31.	*$_A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________?
A.	RC
B.	RC \|\| RE
C.	RC - RE
D.	RC + RE
Answer» E.

Discussion

32.	/_In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________?
A.	Thin base
B.	Thin collector
C.	Wide emitter
D.	None of the above
Answer» B. Thin collector

Discussion

33.	/_The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________?
A.	Transistor
B.	Biasing circuit
C.	Collector supply VCC
D.	None of the above
Answer» D. None of the above

Discussion

34.	/_The ratio of output impedance of a CE amplifier is ___________?
A.	About 1
B.	Low
C.	High
D.	Moderate
Answer» E.

Discussion

35.	/_A single stage transistor amplifier with no load sees an a.c. load of?
A.	RC + RE
B.	RC
C.	RC \|\| RE
D.	RC/RE
Answer» C. RC \|\| RE

Discussion

36.	/_The slope of a.c. load line is ___________ that of d.c. load line?
A.	The same as
B.	More than
C.	Less than
D.	None of the above
Answer» C. Less than

Discussion

37.	/_For highest power gain, one would use ___________ configuration?
A.	CC
B.	CB
C.	CE
D.	none of the above
Answer» D. none of the above

Discussion

38.	/_In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________?
A.	RC + RL
B.	RC \|\| RL
C.	RL
D.	RC
Answer» E.

Discussion

39.	/_If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________?
A.	20 V
B.	5 V
C.	2 V
D.	10 V
Answer» E.

Discussion

40.	/_The purpose of d.c. conditions in a transistor is to ___________?
A.	Reverse bias the emitter
B.	Forward bias the collector
C.	Set up operating point
D.	None of the above
Answer» D. None of the above

Discussion

41.	/_The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________?
A.	Avoid voltage gain drop
B.	Forward bias the emitter
C.	Reduce noise in the amplifier
D.	None of the above
Answer» B. Forward bias the emitter

Discussion

42.	/_The phase difference between the output and input voltages of a CE amplifier is ___________?
A.	180¬¨‚àû
B.	0¬¨‚àû
C.	90¬¨‚àû
D.	270¬¨‚àû
Answer» B. 0¬¨‚àû

Discussion

43.	/_It is generally desired that a transistor should have ___________ input impedance?
A.	Low
B.	Very low
C.	High
D.	Very high
Answer» D. Very high

Discussion

44.	/_A single stage transistor amplifier contains ___________ and associated circuitry?
A.	Two transistors
B.	One transistor
C.	Three transistor
D.	None of the above
Answer» C. Three transistor

Discussion

45.	%_In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ____________%
A.	RC + RL
B.	RC \|\| RL
C.	RL
D.	RC
Answer» E.

Discussion

46.	_ If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________$?
A.	20 V
B.	5 V
C.	2 V
D.	10 V
Answer» E.

Discussion

47.	_ The purpose of d.c. conditions in a transistor is to ___________$?
A.	Reverse bias the emitter
B.	Forward bias the collector
C.	Set up operating point
D.	None of the above
Answer» D. None of the above

Discussion

48.	_ The phase difference between the output and input voltages of a CE amplifier is ___________$?
A.	180¬¨‚àû
B.	0¬¨‚àû
C.	90¬¨‚àû
D.	270¬¨‚àû
Answer» B. 0¬¨‚àû

Discussion

49.	_ The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________$?
A.	Avoid voltage gain drop
B.	Forward bias the emitter
C.	Reduce noise in the amplifier
D.	None of the above
Answer» B. Forward bias the emitter

Discussion

50.	_ A single stage transistor amplifier contains ___________ and associated circuitry$?
A.	Two transistors
B.	One transistor
C.	Three transistor
D.	None of the above
Answer» C. Three transistor

Discussion

Explore topic-wise MCQs in Electrical Engineering.

A CE amplifier is also called _______________ circuit?

In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________

If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________

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The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________

The purpose of d.c. conditions in a transistor is to ___________

In the a.c. equivalent circuit of a transistor amplifier, the capacitors are considered ___________

The ratio of output impedance of a CE amplifier is ___________

The phase difference between the output and input voltages of a CE amplifier is ___________

If the input capacitor of a transistor amplifier is short-circuited, then

The slope of a.c. load line is ___________ that of d.c. load line

A single stage transistor amplifier contains ___________ and associated circuitry

A single stage transistor amplifier with no load sees an a.c. load of

The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________

The value of collector load RC in a transistor amplifier is ___________ the output impedance of the transistor.

For highest power gain, one would use ___________ configuration

It is generally desired that a transistor should have ___________ input impedance

If RC and RL represent the collector resistance and load resistance respectively in a single stage transistor amplifier, then a.c. load is

A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________

In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________

An amplifier has a power gain of 100. Its db gain is ___________

A transistor amplifier has high output impedance because ___________

A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________%!

In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________%!

The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________%!

A single stage transistor amplifier with no load sees an a.c. load of%!

The ratio of output impedance of a CE amplifier is ___________%!

For highest power gain, one would use ___________ configuration%!

The slope of a.c. load line is ___________ that of d.c. load line%!

*$_A single stage transistor amplifier with collector load RC and emitter resistance RE has a d.c. load of ___________?

*/*_In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________?

*/*_The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________?

*/*_The ratio of output impedance of a CE amplifier is ___________?

*/*_A single stage transistor amplifier with no load sees an a.c. load of?

*/*_The slope of a.c. load line is ___________ that of d.c. load line?

*/*_For highest power gain, one would use ___________ configuration?

*/*_In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________?

*/*_If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________?

*/*_The purpose of d.c. conditions in a transistor is to ___________?

*/*_The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________?

*/*_The phase difference between the output and input voltages of a CE amplifier is ___________?

*/*_It is generally desired that a transistor should have ___________ input impedance?

*/*_A single stage transistor amplifier contains ___________ and associated circuitry?

%_In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ____________%

_ If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________$?

_ The purpose of d.c. conditions in a transistor is to ___________$?

_ The phase difference between the output and input voltages of a CE amplifier is ___________$?

_ The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________$?

_ A single stage transistor amplifier contains ___________ and associated circuitry$?

/_In order to get more voltage gain from a transistor amplifier, the transistor used should have ___________?

/_The output power of a transistor amplifier is more than the input power because the additional power is supplied by ___________?

/_The ratio of output impedance of a CE amplifier is ___________?

/_A single stage transistor amplifier with no load sees an a.c. load of?

/_The slope of a.c. load line is ___________ that of d.c. load line?

/_For highest power gain, one would use ___________ configuration?

/_In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________?

/_If the collector supply is 10V, then collector cut off voltage under d.c. conditions is ___________?

/_The purpose of d.c. conditions in a transistor is to ___________?

/_The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________?

/_The phase difference between the output and input voltages of a CE amplifier is ___________?

/_It is generally desired that a transistor should have ___________ input impedance?

/_A single stage transistor amplifier contains ___________ and associated circuitry?