The zener diode normally operates under reverse bias condition, the major use of this fact is in the applications where we require
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Verified by ExpertsThe correct answer is:
B
The circuit used for working zener diode is shown. Once the diode attains the breakdown voltage, then there is no change in voltage across the diode even if we change the current in circuit by changing the position of rheostat and that is why the voltage across zener diode is constant.
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