ELC2 UNIT2 QUIZ

Amplifiers designed to handle small AC signals such as the one being used in antenna and microphones

• Large Signal Amplifier
• Small Signal Mixer
• Large Signal Mixer
• Small Signal Amplifier

The capacitors in the input and output side of the amplifiers network used to

• allows DC and blocks AC signal
• blocks DC and AC signal
• blocks DC and allows AC signal
• allows DC and AC signal

R1 and R2 are the ____resistors in RC coupled CE amplifier

• Biasing Resistors
• Amplifing Resistor
• Protect the Transistor
• all the above

The resistance -capacitance coupling is popular in audio amplifiers because

• it provides an output signal in phase with the input signal
• it provides an output signal in phase with the input signal
• it has better audio frequency response
• All of the mentioned

A coupling capacitor is

• A dc short and an ac open
• A dc open and an ac short
• undefined
• undefined

The capacitor that produces an ac ground is called a

• Bypass capacitor
• Coupling capacitor
• undefined
• undefined

For AC equivalent circuit all the Capacitors are___

• Open
• Short
• undefined
• undefined

The purpose of biasing is to establish a/an ________ about which variations in current and voltage can occur in response to an input signal

• Active Point
• Linear Point
• Saturation Point
• Operating Point

The point of intersection of d.c. and a.c. load lines is called as?

• Active Point
• DC Coupling
• Saturation Point
• DC Operating Point

Which type of coupling produces minimum interference with frequency response?

• transformer coupling
• direct coupling
• impedance coupling
• None of the mentioned