JEE PYQ: Semiconductors Question 18
Question 18 - 2020 (04 Sep 2020 Shift 1)
Take the breakdown voltage of the zener diode used in the given circuit as 6 V. For the input voltage shown in figure below, the time variation of the output voltage is:
(1) Graph 1
(2) Graph 2
(3) Graph 3
(4) Graph 4
Show Answer
Answer: (3)
Solution
Two zener diodes in reverse polarity clip the output at $\pm 6$ V. When $V < 6$ V output follows input; when $V > 6$ V output is constant at 6 V. This matches graph (3).
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