78. In an LC circuit, when the capacitor energy is maximum, the inductor energy is must use
A. minimum
B. maximum
C. half-way between maximum and minimum
D. none of the above

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79. In an LC oscillator, the frequency of oscillator is ____ L or C.
A. proportional to square
B. directly proportional to
C. independent of the values of
D. inversely proportional to square root of

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80.  An oscillator produces ____ oscillations.
A. damped
B. undamped
C. modulated
D. none of the above

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81. An oscillator employs _____ feedback.
A. positive
B. negative
C. neither positive nor negative
D. data insufficient

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82. An LC oscillator cannot be used to produce _____ frequencies.
A. high
B. audio
C. very low
D. very high

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83. Hartley oscillator is commonly used in
A. radio receivers
B. radio transmitters
C. TV receivers
D. none of the above

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84.  In a phase shift oscillator, we use ____ RC sections.
A. two
B. three
C. four
D. none of the above

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