1. . Multivibrator is a __________?
(A) Sinusoidal oscillator
(B) Saw tooth generator
(C) Non-sinusoidal oscillator
(D) Sine wave generator
2. . One shot is also called __________?
(A) None of the above
(B) Astable Multivibrator
(C) Timer
(D) Monostable Multivibrator
3. . A monostable circuit __________.
(A) Has no stable state
(B) Gives two output pulses for one input trigger
(C) Has one energy storage element
(D) Returns to its standby state automatically
4. . Which circuit can be used as electronic pulse delay line __________?
(A) Astable
(B) Bistable
(C) Monostable
(D) None of the above
5. . Astable multivibrator is a __________ oscillator?
(A) Triggered
(B) Free running
(C) Sine wave
(D) Sawtooth
6. . Astable multivibrator has __________ stable conditions?
(A) None of above
(B) Two
(C) Both (a) & (b)
(D) One
7. . Bistable multivibrator is also called __________?
(A) One shot
(B) Counter
(C) Flip flop
(D) Generator
8. . Pin no. 2 of 555 timer IC is __________?
(A) Output
(B) Reset
(C) Trigger input
(D) Control voltage
9. . A 555 timer IC has __________ comparators.
(A) Two
(B) One
(C) Three
(D) Four
10. . The 555 timer IC is used as __________ circuit?
(A) All of above
(B) Monostable
(C) Bistable
(D) Astable
11. . Duty cycle of pulse wave is __________ than square wave.
(A) None of above
(B) Large
(C) Equal
(D) Small