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(D) During the regulation action of a Zener diode,the input voltage or load current may vary. To maintain a constant output voltage across the load,th

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Both $(A)$ and $(B)$.

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(D) During the regulation action of a Zener diode,the input voltage or load current may vary. To maintain a constant output voltage across the load,the Zener diode adjusts its internal resistance. As the Zener resistance changes,the current flowing through the Zener diode also changes. Consequently,the voltage drop across the series resistance $(R_s)$ changes to compensate for the variations,ensuring the voltage across the Zener remains constant. Therefore,both the current through the series resistance and the resistance offered by the Zener change.

What happens during the regulation action of a Zener diode?

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