2) An amplifier in which the shape of applied input signal does not change is called ?

pulse amplifier

linear amplifier

non-linear amplifier

none of these

Answer is:

linear amplifier

the input impedance

the gain of the circuit

the frequency of the amplified signal

the input impedance and the gain of the circuit

Answer is:

Increased gain

Reduced input impedance

Voltage gain changes throughout the input cycle

All the above stated facts

Answer is:

large power amplifiers

medium power amplifiers

low power amplifiers

both medium and low power amplifiers

Answer is:

Very high capacitance value of emitter bypass capacitor

Low voltage rating of emitter bypass capacitor

Reverse connection of emitter bypass capacitor

As mentioned in points B and C

Answer is: