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Study MCQ
Electronics Mechanic
OSCILLATORS
Set 1
Set 1
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Q4399
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What is the natural shape of a quartz crystal?
A
Cylindrical shape with pyramid at ends
B
Cube shape with pyramid at ends
C
Pentagonal prism with pyramid at ends
D
Hexagonal prism with pyramid at ends
Q4400
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What is the resonant frequency range of a crystal?
A
Between 0.1 and 1MHZ
B
Between 0.1 and 10 MHZ
C
Between 0.5 and 25 MHZ
D
Between 0.5 and 30 MhZ
Q4401
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What is the difference of Colpitts oscillator compare to Hartley oscillator?
A
Uses split inductor
B
Uses split capacitor
C
Uses crystal oscillator
D
Uses SCR combination
Q4402
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Which circuit is determined by the frequency of LC tank circuit?
A
Oscillator
B
Amplifier
C
Multiplexed
D
Demodulator
Q4403
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What is the percentage of charge accumulated by the capacitor at the end of 2 time constant limit?
A
0.4
B
0.5
C
0.632
D
0.864
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