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Study MCQ
Electronics Mechanic
OP AMP AND TIMER 555 APPLICATIONS
Set 2
Set 2
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What is the expansion of PRF related to frequency?
A
Power regulated frequency
B
Pulse repetition frequency
C
Pulse repetition frequency
D
Pulse probability frequency
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What is the name of the ratio of ON-time pulse to the OFF-time pulse of multivibrator?
A
Control voltage
B
Pulse repetition
C
Pulse repetition
D
Threshold comparator
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What is the function of pin number 4 of the IC 555?
A
Set
B
Reset
C
Reset
D
Threshold
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Which is the output pin number IC 555 timer?
A
Pin number 6
B
Pin number 5
C
Pin number 5
D
Pin number 3
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What is the function of pin number 2 of IC 555 timer circuit?
A
"+VCC"
B
Trigger
C
Trigger
D
Reset
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3
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5
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