JOIN ADRE 2.0 Telegram Group

Single Stage Transistor Amplifier Quiz | Single Stage Transistor Amplifier Objective Type Questions and Answers

Questions
21 For highest power gain, one would use …………….. configuration
A CC
B CB
C CE
D none of the above

Answer: CE
22 A transistor amplifier has high output impedance because ………..
A Emitter is heavily doped
B Collector has reverse bias
C Collector is wider than emitter or base
D None of the above

Answer: Collector has reverse bias
Advertisement
Article and Schedule Quiz Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

23 A transistor converts ……………
A d.c. power into a.c. power
B a.c. power into d.c. power
C high resistance into low resistance
D none of the above

Answer: d.c. power into a.c. power
24 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: Collector supply VCC
25 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: RC
26 In transistor amplifiers, we generally use ………….. capacitors.
A Electrolytic
B Mica
C Paper
D Air

Answer: Electrolytic
27 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: RC + RE
28 The value of collector load RC in a transistor amplifier is ………… the output impedance of the transistor.
A The same as
B Less than
C More than
D None of the above

Answer: Less than
29 The d.c. load of a transistor amplifier is generally ………….. that of a a.c. load
A The same as
B Less than
C More than
D None of the above

Answer: More than
30 A CE amplifier is also called ………….. circuit
A Grounded emitter
B Grounded base
C Grounded collector
D None of the above

Answer: Grounded emitter
31 The radio wave picked up by the receiving antenna is amplified about …….. times to have reasonable sound output
A 1000
B A million
C 100
D 10000

Answer: A million
32 If the input capacitor of a transistor amplifier is short-circuited, then………
A Transistor will be destroyed
B Biasing conditions will change
C Signal will not reach the base
D None of the above

Answer: Biasing conditions will change
33 If a transistor amplifier feeds a load of low resistance (e.g. speaker), then voltage gain will be ………….
A High
B Very high
C Moderate
D Low

Answer: Low
34 The ratio of output impedance of a CE amplifier is ……………
A About 1
B Low
C High
D Moderate

Answer: Moderate
35 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: Avoid voltage gain drop
36 The purpose of a coupling capacitor in a transistor amplifier is to ……….
A Increase the output impedance of transistor
B Protect the transistor
C Pass a.c. and block d.c.
D Provide biasing

Answer: Pass a.c. and block d.c.
37 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: Thin base
38 An amplifier has a power gain of 100. Its db gain is ……………
A 10 db
B 20 db
C 40 db
D None of the above

Answer: 20 db
39 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: Set up operating point

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test Start Test!
SSC MTS Mock Test Start Test
IBPS CLERK MOCK TEST Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH) Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi) Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH) Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH) Start Test!
IB Security Assistant Mock test 1 (english) Start Test!
UP POLICE CONSTABLE MOCK TEST 1 Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI) Start Test!
Advertisement
Assam Direct Recruitment Test Series