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नीचे दर्शाय गये परिपथ में क्रमशः $6\, V$ एवं $4\, V$ भंजन वोल्टता वाले दो जेनर डायोड $( A$ एवं $B )$ जोड़े गये हैं। रैखिक वृद्धितर निवेश वोल्टता पर समय का निर्गत वोल्टता $V _{0}$ से परिवर्तन इससे दिया जाता है । $\left( t =0\right.$ पर $V$ का मान $\left.V _{\text {निवेश }}=0\right)$ (चित्र संकेतात्मक है)





Solution

Till input voltage Reaches $4V$ No zener is in Breakdown Region So $V _{0}= V _{ i }$ Then Now when $V _{ i }$ changes between $4 V$ to $6 V$ One Zener with $4 V$ will Breakdown are $P.D$. across This zener will become constant and Remaining Potential will drop. acro
Resistance in series with $4 V$ Zener.
Now current in circuit increases Abruptly and source must have an internal resistance due to which. Some potential will get drop across the source also so correct graph between $V _{0}$ and $t.$ will be
We have to Assume some resistance in series with source.