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WorksheetsPost-Test Week 3
Total questions: 10
Worksheet time: 5mins
What are the applications of LC Oscillator?
Sine wave generator
Radio Recievers
Radio Transmitter
High Voltage Power Supply
Colpitts oscillator consists of _____ capacitor and _______ inductor
one, one
one, two
two, two
two, one
Crystals in Oscillators are made using?
Gold
Quartz
Silver
Mercury
Quartz crystal works on the principle of?
Piezo electric Effect
Piezo resistive Effect
Piezo capacitive Effect
Piezo inductive Effect
In the phase-shift oscillator, the gain of the amplifier stage must be _______.
0
less than 29
greater than 29
∞
In the phase-shift oscillator, the operating frequency is determined by _______.
resistance only
capacitance only
LC combinations
RC combinations
In the Colpitts oscillator, the frequency is determined by _______ .
resistance only
inductance only
capacitance only
both inductance and a capacitance
All the basic oscillator circuit consists of three parts:
Transformer, Rectifier and Filter
Capacitor, Inductor and Resistor
Amplifier, Feedback and Frequency Generation Circuit
AM, FM and RF
To change the frequency of oscillations in Phase shift oscillator
Rf should be changed
R1 should be changed
RC should be changed
None of the above
Different types of oscillators produce various types of outputs except
sinusoidal wave
sawtooth wave
triangular wave
mexican wave
