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Physical electronics devices and ics miscellaneous

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Physical Electronics Devices and ICs

Physical electronics devices and ics miscellaneous
  1. When a reverse current in a zener diode increases from 20mA to 30 mA, the zener voltage changes from 5.6 V to 5.65 V. The zener resistance is—
    1. 2 Ω
    2. 3 Ω
    3. 4 Ω
    4. 5 Ω
Correct Option: D

RZ =
∆VZ
=
5.65 – 5.6
= 5Ω
∆IZ(30 – 20) mA


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