Single Stage Transistor Amplifiers

This is an MCQ-based quiz on Single Stage Transistor Amplifiers.

This includes Coupling, Bypass, and Leakage

Start Quiz

A transistor amplifier has high output impedance because ___________

Emitter is heavily doped Collector has reverse bias Collector is wider than emitter or base None of the above

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

10 db 20 db 40 db None of the above

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

RC + RL RC || RL RL RC

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

RC RC || RE RC - RE RC + RE

A CE amplifier is also called ___________ circuit

Grounded emitter Grounded base Grounded collector None of the above

The input output characteristic of an amplifier is

Linear function Non Linear function Sinusoidal function with change of phase None of the mentioned

The amplifier works as a linear system for:

High frequency signals Low frequency signals Small signals Large signals

In MOSFET amplifier, the input is applied as:

Voltage across gate and source Voltage across drain and source Current at gate Current at Drain

In MOSFET amplifier, the parameter that changes due to the changes in input is:

Small signal drain current Large signal drain current Voltage across substrate and source None of the mentioned

Input impedance of MOSFET amplifier in Common Source configuration is:

Very high at high frequencies Very high at low frequencies Very low at high frequencies Very low at low frequencies

A single stage transistor amplifier contains ……………. and associated circuitry

Two transistors One transistor Three transistor None of the above

It is generally desired that a transistor should have …………….. input impedance

Low Very low High Very high

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

20 V 5 V 2 V 10 V

When an a.c. signal is applied to an amplifier, ,the operating point moves along …………….

D.C. load line

A.C. load line

Both D.C. and A.C. load lines

None of the above

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

180 degree

0 degree

90 degree

270 degree

Quiz/Test Summary

Title: Single Stage Transistor Amplifiers

Questions: 15

Contributed by:

Diego Thu, Mar 17, 2022 01:05 PM UTC

Book a Trial Class

Semiconductor Diode