Amplify OAC Unit Vocab

What is the primary function of an amplifier in a circuit?

• To increase voltage

• To decrease current

• To store energy

• To convert AC to DC

Tags

NGSS.HS-PS3-3

Which of the following components is essential for an operational amplifier (op-amp) to function?

• Resistor

• Capacitor

• Transistor

• Diode

In the context of amplifiers, what does the term 'gain' refer to?

• The amount of input signal

• The amount of output signal

• The ratio of output signal to input signal

• The power consumption of the amplifier

Which type of amplifier is most commonly used in audio equipment?

• Class A

• Class B

• Class AB

• Class D

Tags

NGSS.HS-PS4-5

What is the unit of measurement for amplifier gain?

• Decibels (dB)

• Hertz (Hz)

• Watts (W)

• Volts (V)

Tags

NGSS.HS-PS4-5

In a feedback amplifier, what is the purpose of feedback?

• To increase distortion

• To stabilize gain

• To reduce power consumption

• To increase bandwidth

Tags

NGSS.HS-PS3-3

Which of the following is a characteristic of a Class A amplifier?

• High efficiency

• Low distortion

• Operates in cutoff region

• Operates in saturation region

What is the main disadvantage of a Class B amplifier?

• High power consumption

• Crossover distortion

• Limited bandwidth

• Complex design

In an operational amplifier, what is the ideal value of input impedance?

• Zero

• Low

• High

• Infinite

What is the typical configuration of a differential amplifier?

• Single-ended input

• Double-ended input

• Single-ended output

• Double-ended output