A. A. By magnetic induction
B. By a tickler coil
C. From the centre of split capacitors
D. None of the above
0
For an oscillator to properly start, the gain around the feedback loop must initially be_________?
0
One condition for oscillation is_____________?
A. 1
B. Greater than 1
C. Less than 1
D. Equal to attenuation of feedback circuit
0
The crystal oscillator frequency is very stable due to___________of the crystal?
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
0
In a phase shift oscillator, the frequency determining elements are _______________?
A. Rigidity
B. Vibrations
C. Low Q
D. High Q
0
Hartley oscillator is commonly used in______________?
A. L and C
B. R, L and C
C. R and C
D. None of the above
0
In an LC oscillator, the frequency of oscillator is____________L or C?
A. Radio receivers
B. Radio transmitters
C. TV receivers
D. None of the above
0
An oscillator converts __________?
A. Proportional to square of
B. Directly proportional to
C. Independent of the values of
D. Inversely proportional to square root of
0
A. power into d.c. power
B. power into a.c. power
C. mechanical power into a.c. power
S. none of the above
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