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# What happens during regulation action of a Zenerdiode ?

$\begin{array}{1 1} \text{The current in and voltage across the Zoner remains fixed } \\ \text{The Current through the series pesistance (R_s) change } \\ \text{The zener resistance is constant} \\ \text{The resistance offered by the zener changes } \end{array}$

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Solution :
During requlation action of a zener diode, the current through the series resistance offered by the zener changes.
The current through the zener changes but the volatge across the zener remains constant .