Questions
Take the breakdown voltage of the Zener diode used in the given circuit as 6V. For the input voltage shown in figure below, the time variation of the output voltage is :
(Graphs drawn are schematic and not to scale)
detailed solution
Correct option is B
During each half cycle, when Vin builds from 0 to 6V, one of the diodes is in reverse biased but not yet reached break down. So, the diode branch is open and bypasses the Vin, it will follow the input voltage.Once Vin builds from 6V to 10V, then one Zener achieves breakdown and other in forward bias Δ V=0 produces constant voltage.Talk to our academic expert!
Similar Questions
A 10 V Zener diode along with a series resistance is connected across 40 V supply. Calculate the minimum value of the resistance regulated, if the maximum Zener current is 500 mA.
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