Generally, the gain of a transistor amplifier falls at high frequencies due to the

Generally the gain of a transistor amplfier falls at high frequency due to the

A

Internal capacitance of the device

B

coupling capacitor at the inout

C

Skin effect

D

coupling capacitor at the output

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

The current gain of a bipolar transistor drops at high frequencies because of

A

Transistor capacitances

B

High current effects in the base

C

Parasitic inductive elements

D

The early effect

If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be

A

$$\frac{{\text{X}}}{{\text{Y}}}$$

B

X × Y

C

X + Y

D

X - Y

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

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

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

Which of the following amplifier circuit using junction transistor has the best gain?

A

Common base

B

Common emitter

C

Common collector

D

All have the same gain

If the gain versus frequency curve of a transistor amplifier is not flat, then there is distortion.

A

Amplitude

B

Intermodulation

C

Frequency

D

None of the above

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

Generally, the gain of a transistor amplifier falls at high frequencies due to the

Related Questions