Single Stage Transistor Amplifiers MCQs

Option A: RC

Option B: RC || RE

Option C: RC – RE

Option D: RC + RE

Correct Answer: RC ✔

Option A: CC

Option B: CB

Option C: CE

Option D: none of the above

Correct Answer: CE ✔

Option A: c. power into a.c. power

Option B: c. power into d.c. power

Option C: high resistance into low resistance

Option D: none of the above

Correct Answer: c. power into a.c. power ✔

Option A: Electrolytic

Option B: Mica

Option C: Paper

Option D: Air

Correct Answer: Electrolytic ✔

Option A: The same as

Option B: Less than

Option C: More than

Option D: None of the above

Correct Answer: Less than ✔

Option A: Transistor

Option B: Biasing circuit

Option C: Collector supply VCC

Option D: None of the above

Correct Answer: Collector supply VCC ✔

Option A: Emitter is heavily doped

Option B: Collector has reverse bias

Option C: Collector is wider than emitter or base

Option D: None of the above

Correct Answer: Collector has reverse bias ✔

Option A: Input impedance is very high

Option B: Input impedance is low

Option C: Output impedance is very low

Option D: None of the above

Correct Answer: Input impedance is very high ✔

Option A: The same as

Option B: Less than

Option C: More than

Option D: None of the above

Correct Answer: More than ✔

Option A: Transistor will be destroyed

Option B: Biasing conditions will change

Option C: Signal will not reach the base

Option D: None of the above

Correct Answer: Biasing conditions will change ✔

Option A: Grounded emitter

Option B: Grounded base

Option C: Grounded collector

Option D: None of the above

Correct Answer: Grounded emitter ✔

Option A: High

Option B: Very high

Option C: Moderate

Option D: Low

Correct Answer: Low ✔

Option A: 1000

Option B: A million

Option C: 100

Option D: 10000

Correct Answer: A million ✔

Option A: About 1

Option B: Low

Option C: High

Option D: Moderate

Correct Answer: Moderate ✔

Option A: Increase the output impedance of transistor

Option B: Protect the transistor

Option C: Pass a.c. and block d.c.

Option D: Provide biasing

Correct Answer: Pass a.c. and block d.c. ✔

Option A: 10 db

Option B: 20 db

Option C: 40 db

Option D: None of the above

Correct Answer: 20 db ✔

Option A: Thin base

Option B: Thin collector

Option C: Wide emitter

Option D: None of the above

Correct Answer: Thin base ✔

Option A: Short

Option B: Open

Option C: Partially short

Option D: None of the above

Correct Answer: Open ✔

Option A: Avoid voltage gain drop

Option B: Forward bias the emitter

Option C: Reduce noise in the amplifier

Option D: None of the above

Correct Answer: Avoid voltage gain drop ✔

Option A: Reverse bias the emitter

Option B: Forward bias the collector

Option C: Set up operating point

Option D: None of the above

Correct Answer: Set up operating point ✔

Option A: Short

Option B: Open

Option C: Partially open

Option D: None of the above

Correct Answer: Short ✔

Option A: RL + RC

Option B: RC || RL

Option C: RL – RC

Option D: RC

Correct Answer: RC || RL ✔

Option A: Protect the transistor

Option B: Cool the transistor

Option C: Couple or bypass a.c. component

Option D: Provide biasing

Correct Answer: Couple or bypass a.c. component ✔

Option A: α

Option B: (1 + α)

Option C: (1+ β)

Option D: β

Correct Answer: β ✔

Option A: 165

Option B: 165 x 104

Option C: 100

Option D: None of the above

Correct Answer: 165 ✔

Option A: 180o

Option B: 270o

Option C: 90o

Option D: 0o

Correct Answer: 0o ✔

Option A: RC + RL

Option B: RC || RL

Option C: RL

Option D: RC

Correct Answer: RC ✔

Option A: Sum of a.c. and d.c.

Option B: c. only

Option C: c. only

Option D: difference of a.c. and d.c.

Correct Answer: Sum of a.c. and d.c. ✔

Option A: 180o

Option B: 0o

Option C: 90o

Option D: 270o

Correct Answer: 180o ✔

Option A: 20 V

Option B: 5 V

Option C: 2 V

Option D: 10 V

Correct Answer: 10 V ✔

Option A: Coupling

Option B: Bypass

Option C: Leakage

Option D: None of the above

Correct Answer: Coupling ✔

Option A: The same as

Option B: More than

Option C: Less than

Option D: None of the above

Correct Answer: More than ✔

Option A: c. load line

Option B: c. load line

Option C: both d.c. and a.c. load lines

Option D: none of the above

Correct Answer: c. load line ✔

Option A: Two transistors

Option B: One transistor

Option C: Three transistor

Option D: None of the above

Correct Answer: One transistor ✔

Option A: Low

Option B: Very low

Option C: High

Option D: Very high

Correct Answer: High ✔

Option A: c.

Option B: c.

Option C: both d.c. and a.c.

Option D: none of the above

Correct Answer: c. ✔

Option A: Saturation point

Option B: Cut off point

Option C: Operating point

Option D: None of the above

Correct Answer: Operating point ✔

Option A: 20 kΩ

Option B: 2 kΩ

Option C: 10 kΩ

Option D: 5 kΩ

Correct Answer: 5 kΩ ✔