Physics Quiz: Feedback Amplifiers and Oscillators

What type of oscillator is the Wien bridge oscillator?

• Harmonic oscillator

• Digital oscillator

• Mechanical oscillator

• Analog oscillator

Which oscillator uses a tapped coil for feedback?

• Wien bridge oscillator

• Pierce oscillator

• Hartley oscillator

• Colpitts oscillator

What is the main component in a Colpitts oscillator?

• Resistors and diodes

• Capacitors and inductors

• Transistors and transformers

• Potentiometers and relays

What type of oscillator uses a piezoelectric crystal for frequency control?

• Vibration oscillator

• Resonance oscillator

• Sound oscillator

• Crystal oscillator

In which oscillator does the crystal act as the frequency-determining element?

• Quartz oscillator

• Resonant oscillator

• Tuning fork oscillator

• Crystal oscillator

What is the frequency-determining component in a Hartley oscillator?

• capacitor

• resistor

• transistor

• inductor

Which oscillator uses a combination of inductance and capacitance for feedback?

• LC oscillators

• RC oscillators

• RLC oscillators

• AC oscillators

What is the purpose of the feedback amplifier in an oscillator?

• To provide the necessary positive feedback to sustain oscillations

• To reduce the amplitude of the oscillations

• To provide negative feedback to stop oscillations

• To increase the power consumption of the oscillator