A 6 V Zener diode is used in the shown circuit with an input that varies between +10 V and -10 V. Which output-voltage waveform is obtained? Image
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Question

A 6 V Zener diode is used in the shown circuit with an input that varies between +10 V and −10 V. Which output-voltage waveform is obtained? Image

G1 Physics · Accepted Answer

When the Zener is in breakdown, the output is limited to 6 V; for the opposite polarity the diode conducts according to the shown orientation. The resulting clipped output corresponds to option B.