Electronic: Quiz Assignment 2

What is the primary function of an amplifier?

• Increase the power of a signal

• Decrease the power of a signal

• Convert AC to DC

• Filter high frequencies

What does distortion in an amplifier refer to?

• Clear sound

• Deviation from the original signal

• Increased volume

• Enhanced clarity

How can you minimize distortion in an amplifier?

• Increase the signal gain

• Use a feedback mechanism

• Use low-quality components

• Overdrive the amplifier

What type of distortion occurs when different frequencies in a signal interfere with each other due to amplifier nonlinearity?

• Harmonic distortion

• 
  Clipping distortion

• Frequency distortion

• Intermodulation distortion

What is the primary advantage of using a feedback amplifier?

• Increased distortion

• Enhanced stability

• Higher noise levels
  

• Increased size
  

In an operational amplifier, which terminal is usually connected to the input signal?

• Non-inverting input

• Inverting input

• Output terminal

• Feedback terminal

Which type of amplifier configuration provides a 180-degree phase shift between input and output?

• Non-Inverting Amplifier

• Inverting Amplifier

• Buffer Amplifier

• Voltage Follower

1. In which application are operational amplifiers commonly used?

• Audio signal processing

• Power supply regulation

• High-frequency filtering

• Mechanical motion control

The output signal of a non-inverting amplifier is...

• 180 degrees out of phase with the input

• 90 degrees out of phase with the input

• In phase with the input

• Inverted twice

What is the voltage gain formula for a non-inverting amplifier?

• -Rf/Rin

• Rf/Rin

• 1 + (Rf/Rin)

• (Rf + Rin)/Rin