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.Management Sciences
Category: Oscillators
In a phase shift oscillator, we use____________RC sections?
A. Two
B. Three
C. Four
D. None of the above
In an LC oscillator, the frequency of oscillator is____________L or C?
A. Proportional to square of
B. Directly proportional to
C. Independent of the values of
D. Inversely proportional to square root of
An oscillator produces___________oscillations?
A. Damped
B. Undamped
C. Modulated
D. None of the above
An LC oscillator cannot be used to produce ____________frequencies?
A. High
B. Audio
C. Very low
D. Very high
In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency____________?
A. Remains the same
B. Decreases
C. Increases
D. Insufficient data
One condition for oscillation is_____________?
A. A phase shift around the feedback loop of 180o
B. A gain around the feedback loop of one-third
C. A phase shift around the feedback loop of 0o
D. A gain around the feedback loop of less than 1
In an LC circuit, when the capacitor is maximum, the inductor energy is____________?
A. Minimum
B. Maximum
C. Half-way between maximum and minimum
D. None of the above
The application where one would most likely find a crystal oscillator is____________?
A. Radio receiver
B. Radio transmitter
C. AF sweep generator
D. None of the above
Hartley oscillator is commonly used in______________?
A. Radio receivers
B. Radio transmitters
C. TV receivers
D. None of the above
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