Question 69

Refer to the monostable multivibrator circuit in the figure below. The trigger terminal (pin 2 of the IC ) is driven by a symmetrical pulsed waveform of 10…

Refer to the monostable multivibrator circuit in the figure below. The trigger terminal (pin 2 of the IC ) is driven by a symmetrical pulsed waveform of 10 kHz. Determine the duty cycle of the output waveform. Circuit: a 555 timer IC; pins 4 and 8 are connected to Vcc; a 10 K resistor is connected from Vcc to pins 6 and 7 (joined together); a 0.01 capacitor is connected from pins 6,7 to ground; pin 5 is connected to ground through a 0.01 capacitor; pin 1 is grounded; the Trigger Input is applied to pin 2; the Output is taken from pin 3.
  1. A0.56
  2. B0.55
  3. C0.57
  4. D0.58
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Correct answer: (B) 0.55

Explanation

Answer as per the book's key (b).

From DSSSB TGT Computer Science Practice Set 3

This is question 69 of DSSSB TGT Computer Science Practice Set 3. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.